57results about How to "Low number of solutions" patented technology

A movable charging vehicle comprises a carriage, a low-voltage power supply battery pack, a low-voltage power supply management module, a first charging system and a second charging system, wherein the low-voltage power supply battery pack, the low-voltage power supply management module, the first charging system and the second charging system are arranged in the carriage. The first charging system comprises a first movable charging vehicle BMS module, a first movable charging vehicle battery pack, a first DC / DC charging machine management module, a first DC / DC charging machine and a first man-machine interaction module. The second charging system comprises a second movable charging vehicle BMS module, a second movable charging vehicle battery pack, a second DC / DC charging machine management module, a second DC / DC charging machine and a second man-machine interaction module. The first movable charging vehicle battery pack is used for charging a first electric vehicle through the first DC / DC charging machine, and the second movable charging vehicle battery pack is used for charging a second electric vehicle through the second DC / DC charging machine. The first movable charging vehicle battery pack and the second movable charging vehicle battery pack can charge the first electric vehicle or the second electric vehicle at the same time through the corresponding DC / DC charging machines.

A channel logo segmentation method based on a fully convolutional channel logo segmentation network includes the steps of constructing a multi-type fine-grained channel logo data set, the channel logoimage set containing a total number of 8400 images covering 42 categories; according to a channel logo region extraction method of pixel-by-pixel labeling, establishing a binary label image set corresponding to the channel logo image set and converting the binary label image set into an L-type single-channel gray image set; establishing a fully convolutional channel logo segmentation network of an end-to-end encoder-decoder structure, training the fully convolution label segmentation network on the channel logo data set, inputting a test image of any size in the channel logo image set to thetrained fully convolutional channel logo segmentation network, and generating a pixel-level segment result of the same size as the input image. The method of the invention helps the deep convolutionalneural network to realize powerful performance and solves the problem that the tiny target segmentation results are not precise enough. The network model can delineate a tiny target, thereby improving the spatial precision of the output, and is suitable for being applied to the tiny target segmentation method.

The invention discloses a laser imaging radar target echo signal simulation method and a simulator, and belongs to the technical field of photoelectric information. A laser pulse reception apparatus converts a synchronous laser to a synchronous signal and an initial laser pulse; a control instruction is generated according to target track data, and a series of stepping time-delay signals with thesame delay difference are generated triggered by the synchronous signal to represent a series of equal time-delay planes; a laser pulse time-delay space reconstruction apparatus distributes the stepping time-delay signals to respective equal time-delay planes in space to form a spatial two-dimensional time-delay signal array; and a projection optical system projects the two-dimensional time-delaysignal to an entrance pupil position of a tested laser radar reception lens to realize echo signal simulation. According to the method and the simulator, problems of failure of generalization of different operating wavelengths, small quantity of optical echo channels, poor distance resolution, and indefinite time-delay etc. in the conventional target echo signal simulation technical scheme can besolved, and the method and the simulator are mainly applied to a laser imaging radar guidance weapon hardware-in-the-loop simulation system.

The invention provides a user terminal positioning method and system, an electronic device and a storage medium. The user terminal positioning method comprises the steps of determining target cells corresponding to target sampling points in an LTE network according to MRO data; if all target cells are outdoor cells, determining whether the number of target sampling points that do not coincide is less three; if yes, acquiring primary positioning information of the target sampling points by using an outdoor positioning method and a distance between the target sampling point and the correspondingtarget cell; if not, performing three-point positioning on the target sampling points according to a least square method so as to obtain the primary positioning information of the target sampling points; and if the primary positioning information of the target sampling points has an error greater than a preset error threshold, performing error regulation on the primary positioning information byusing a machine learning method, so as to obtain secondary positioning information of the target sampling points. Through adoption of the method, the user in the wireless network can be positioned accurately, data requirements are lowered effectively, and the positioning process is reliable and fast.

The invention discloses a rapid propagation method for tissue culture of pinellia ternata. The method comprises the following steps: petiole of pinellia ternata is taken as an explant, cleaned and sterilized; the petiole of pinellia ternata is cut into proper size and inoculated on an induction medium to induce callus; differentiated callus of pinellia ternata is transferred to a proliferation medium to differentiate pinellia ternata seedlings; the differentiated pinellia ternata seedlings are inoculated into a sugar-free rapid propagation culture container, CO2 is introduced in 3-5 days, andwell-grown and rooted pinellia ternata seedlings are obtained and can be transplanted. The rapid propagation method for tissue culture of pinellia ternata is superior to traditional methods such as tubers, plant buds and the like for asexual propagation, and the problems of slow propagation of the seedlings, small quantity, virus carrying in the seedlings and the like are solved.

The invention discloses a method for establishing a giant grouper sperm freezer and assisting grouper distant hybridization breeding. The sperm freezer establishing method comprises the steps of preparing sperm diluent, preparing sperm cryopreservation liquid, freezing and storing sperms and establishing the sperm freezer. The grouper distant hybridization breeding method comprises the steps of establishing the giant grouper sperm freezer, establishing saladfish breeding groups, cultivating saladfish parent fish and performing reproductive regulation, performing artificially spawning breeding, fertilizing the frozen sperms and performing incubation, and cultivating fries. According to the method, the first giant grouper sperm freezer is established in China, reproductive isolation of the groupers caused by factors, such as geographical distribution, optimum temperature range and breeding time, is overcome, and distant hybridization breeding of the grouper groups is possible, so that distant hybridization breeding varieties are cultivated.

The invention discloses a cast-in-place pile optical fiber monitoring system. An optical fiber sensor is arranged in each cast-in-place pile monitoring point; each optical fiber sensor is arranged on a main reinforcement of a cast-in-place pile a through protection fastener; the optical fiber sensor is connected with an optical fiber outgoing line; and the optical fiber outgoing line is communicated with a detection module. The system realizes a foundation pit deformation automatic monitoring function, has the advantages of convenient measurement, high measurement efficiency, small influence of a measurement environment, real-time early warning and the like, realizes an intelligent measurement function, and enables measurement to be informationized; the protection fastener can effectively protect the optical fiber sensor and prevent the optical fiber sensor from being damaged by construction, and is high in practicability; and meanwhile, the foundation pit monitoring of each construction site is realized by one optical fiber demodulator, problems caused by the condition that optical fiber demodulators are few and are expensive are solved; and field technicians do not need to be additionally dispatched for monitoring, the management is convenient, the monitoring efficiency is greatly improved, and the monitoring cost is greatly reduced.

The invention relates to a locally reverse combined sparse representation object tracking method of multi-template space-time association, belongs to the field of machine vision and mode identification, and aims at digging out space-time association information among templates, solving the problem of object tracking in a complex scene, and reducing the computing complexity. Under a particle filtering framework, a candidate object is collected and a local image block is divided to construct an over-complete dictionary; an object template sample set is initialized and updated, and the templates are labeled according to obtained frame numbers; a sequential weight matrix is established to guide sequential prior information of sparse representation; the dictionary is used to carry out weighted combined sparse representation on all samples in the object template set, a combined sparse constraint in an object function is replaced with a parameter included Gaussian function to optimize problem solution, and a sparse representation coefficient matrix is obtained; and according to row continuity and weight of distribution of non-zero elements in the coefficient matrix, a significance score of the candidate object is obtained, and stable object tracking is realized.

The invention provides an anti-dynamic malicious API sequence generation method based on multiple generators AugGAN. According to the invention, a black box detector is inserted between a generator and a discriminator to carry out unsupervised learning on sample labeling; an interference-free API is selected from the corresponding interference-free API database by utilizing a plurality of generators; the selected non-interference API is randomly inserted into a malicious API sequence to generate an anti-dynamic malicious API sample; the adversarial samples and the benign samples are input intoa black box detector for classification and labeling; the adversarial samples, the benign samples and the corresponding labels are input into a discriminator for training, and gradient information isreturned; the generator and the discriminator update own parameters according to the returned gradient information; the continuous game of the generator and the discriminator improves the generationcapability and discrimination capability, and finally achieves a Nash equilibrium state. After the system is balanced, the generated anti-dynamic malicious API sequence can bypass the detection of a black box detector.

The invention relates to a warping apparatus, which comprises a stander, a cylinder rack, an expansion reed, a first driving apparatus for driving the rotation of the warping shaft. The warping shaft comprises a shaft body, a first and a second baffle plate disposed on two terminals of the shaft body. The warping shaft further comprises at least one partition plate disposed between the first and the second baffle plate. The warping apparatus further comprises a second driving device for driving the warping shaft to move along the axis line. According to the invention, the warping shaft is divided into a plurality of sections by mounting partition plates onto the warping shaft in prior art, then the warping shaft is driven to move in the direction of axis by the action of the second driving device, so that the breadth of the warping shaft corresponds to the number of the bobbin yarns, and the problem of warping incapability due to few number the bobbin yarns is solved; furthermore, the invention is simple in structure, low in cost, suitable for warping of the yarns during hand sample manufacturing for development, beneficial for lowering raw material cost.

The invention discloses a method for inducing transdifferentiation of mesenchymal stem cells (AD-MSCs) into skin stem cells (AD-SSCs). The method specifically comprises: S1, rapidly separating and purifying homogeneous adipose mesenchymal stem cells; S2, selecting a variety of small RNA molecules stem capable of being used for stem cell epigenetic regulation; S3, assembling and transfecting nucleic acid polypeptide nanoparticles; S4, preparing a culture medium for inducing transdifferentiation of mesenchymal stem cells into skin stem cells; and S5, activating a variety of related genes for guiding the self-renewing and the transdifferentiation of the skin stem cells. According to the present invention, the human adipose mesenchymal stem cells with characteristics of easy obtaining, abundant source, no moral and ethical issue, safty and effectiveness are used as the induced object and are subjected to large-scale, rapid and high-purity transdifferentiation by transfecting the two small RNAs molecules under the effect of the special serum-free culture medium to obtain the AD-SSCs, wherein the induced skin stem cells are the same as the skin stem cells naturally produced in human body, and have the self-renewing ability and the potential for differentiation into the skin cells.

The invention relates to a method of establishing a novel induction system to reprogram CEFs (chicken embryo fibroblasts) into PGCs (primordial germ cells) and belongs to the technical field of biology. In isolated primordial CEF, OCT4, SOX2, NANOG and LIN28 reprogramming factors are introduced to lentivirus exogenously; 21 days after continuous culture, iPSC (induced pluripotent stem cells) strain identification is performed with an SSEA-1 antibody; a positive cell line that is identified is replaced with a BMP4 / BMP8b / EGF induction system; iPGCs (induced primordial germ cells) are acquired byinduction. The problem is solved herein that the quantity of PGCs acquired in endangered species is low; germplasms resource protection and species restoration are achieved for the engendered chickenspecies.

The embodiment of the invention relates to a thematic information push method. A television terminal is turned on and then sends authentication information and registration request information to a server; the server verifies the authentication information successfully and then sends registration success information to the television terminal; the server obtains television terminal code information, generates device identification information and then sends the device identification information to the television terminal and a database; a mobile terminal sends thematic information request information to the server; the server searches corresponding characteristic information and corresponding thematic data list information according to keywords and then sends the information to the mobile terminal; the mobile terminal selects target thematic data and then sends the target thematic data and the device identification information to the server; the server verifies whether the mobile terminal and the television terminal are bound or not and sends the target thematic data and the device identification information to the television terminal; and the television terminal receives the target thematic data and then feeds back push success information. According to the method, the technical effect that a user can push interested content on the mobile terminal to the television terminal for watching is realized.

The invention provides a rapid induction method for inserting an adventitious bud on a bean halve green leaf and belongs to the technical field of flower propagation. The rapid induction method comprises the following steps: dipping plant ash on a notch at the end of a bean halve green leaf stalk and inserting the bean halve green leaf stalk into humus disinfected by KMO4; pulping rough stem dryopteris erythrosora into juice and standing; taking liquid supernatant for later use; overlapping three to five layers of medical gauzes; immersing the medical gauzes into the extracted rough stem dryopteris erythrosora juice and paving the medical gauzes on the back face of a cutting slip leaf; covering the leave by using a plastic bag; controlling the soil humidity, the air humidity and the temperature to avoid rotting cutting slips to promote callusogenesis; after cutting for 10-15 days, removing the gauzes and the plastic bag after a new root grows for 1cm on a cutting slip leaf stalk; and irrigating the soil at the root of the cutting slips by the prepared rough stem dryopteris erythrosora juice every 3-5 days to improve the soil humidity to 40%-60% and improve the temperature to be about 25 DEG C. According to the rapid induction method, the problems that the generation time of the adventitious bud in the cuttage process of the bean halve green leaf is long and the quantity is small are solved; the cuttage efficiency of the bean halve green leaf and the quality of commercial flowers is improved.

The invention relates to the technical field of electrical coupling, and specifically discloses a multi-rate dynamic simulation method for an electrical coupling park comprehensive energy system, andthe method comprises the steps: building the electrical coupling park comprehensive energy system and a corresponding electrical coupling mathematic model; and solving parameters of the electrical coupling mathematical model in a mode of solving the natural gas pipe network model once after solving the power distribution network model for multiple times. The invention provides a multi-rate dynamicsimulation method for an electrical coupling park comprehensive energy system. The multi-rate dynamic simulation method has relatively high calculation precision and relatively high calculation efficiency.

The invention relates to a wheat malt biscuit and a making method thereof. Part of wheat flour is replaced by whole wheat malt flour, and the wheat flour and the whole wheat malt flour serve as main materials to make wheat malt biscuit, and meanwhile syrup, vegetable oil, baked milk powder, a leavening agent, shortening, eggs, salt, water and the like are added to serve as auxiliary materials. Thesurface of the wheat malt biscuit is in a convex pattern shape, a cross section organization structure is porous, and the biscuit has puffy taste. The part of wheat flour is replaced by the whole wheat malt flour, the dough shortness can be improved, the crispness of the short biscuit can be improved, and the processing problem of insufficient weak strength flour raw materials is solved. In addition, the added whole wheat malt flour can also remarkably increase the content of dietary fiber in the short biscuit, and accordingly the nutrition and function characteristics of the wheat malt biscuit are improved.

The invention discloses a high-precision map crowdsourcing system based on an optimal time-stop rule and a data collection method of the system. The system comprises a task issuing module, a member optimization module and an optimal time stop module. The task issuing module is used for issuing a high-precision map crowdsourcing task; the member optimization module is used for selecting superior participants from the candidate participant set, receiving data of the superior participants and providing rewards for the superior participants; and the optimal time stop module controls the stop opportunity of the crowdsourcing task of the high-precision map to maximize the crowdsourcing utility. Based on the system, the invention provides the data collection method of the high-precision map crowdsourcing system based on the optimal time-stop rule. According to the method, sufficient data sources are provided for updating of the high-precision map, the cost of data collection is reduced, and updating of the high-precision map is more real-time and efficient.

The invention provides a data label generation method based on a neural network. The data label generation method comprises the steps of obtaining historical data; initializing input parameters of a preset neural network; inputting the historical data into the preset neural network for training; after the training is finished, extracting the output of a specified layer of the preset neural networkas a candidate data label; calculating a scoring result of the candidate data label; re-initializing the input parameters of the preset neural network according to the scoring result, and performinga new round of training based on the new input parameters until a preset exploration period is reached; storing the neural network model obtained by each round of training and the candidate data labelextracted from each round of neural network model; and screening out a target data label from the stored candidate data labels according to a preset screening condition. The invention further provides a data label generation device based on the neural network, a terminal and a medium. According to the invention, a large number of data tags can be quickly and effectively generated.

The invention provides a portable equipment charging device of a railway passenger train. AC electric energy of an AC power supply is converted into DC electric energy through an AC / DC conversion circuit, and then the DC electric energy is supplied to N charging units. The output end of each charging unit is arranged on the small table plate or the seat armrest of the corresponding seat of the railway passenger train, so that each seat is provided with a corresponding charging function, and the problem that the number of charging sockets is small in the prior art is solved. And moreover, the charging position is on the small table plate or the seat armrest, so that compared with the scheme of arranging below the seat in the prior art, the charging position is more convenient to use.

The invention discloses a method for obtaining maternal mesenchymal stem cells from placenta. The method for obtaining the maternal mesenchymal stem cells from the placenta comprises the following steps: obtaining placenta tissues from a position, which are within 5cm away from the radius of an umbilical cord and are 0.5 cm away from a fetal surface, of the placenta; and carrying out enzyme digestion treatment on placenta tissues by adopting an enzyme digestion solution, and then carrying out cell culture on a product of the enzyme digestion treatment to obtain the maternal mesenchymal stem cells. According to the method disclosed by the invention, the technical problem of separating the maternal mesenchymal stem cells from the placenta is solved, the prepared maternal mesenchymal stem cells are large in quantity and high in purity, neonatal cells are not easy to mix, and the clinical application requirements can be met; the method provided by the invention solves the problems that thequantity of the maternal mesenchymal stem cells obtained from the decidua basalis is small and the decidua basalis is easy to lose, and provides a new scheme and way for obtaining the maternal mesenchymal stem cells from the placenta.

The invention discloses a honeycomb core structure design method of a spherical robot cushioning shell. Firstly, a tangent icosahedron of a target sphere is determined and each side of the icosahedronis equally divided. Then, the first regular hexagon is drawn around the center of the equilateral triangle on the icosahedron, the segmentation law that expands to the periphery in turn, the isosceles triangles are divided into several small isosceles triangles, and six small isosceles triangles are combined to form a regular hexagon, which is projected onto the icosahedral inner tangent sphere,so as to complete the transformation from two-dimensional honeycomb core structure design to three-dimensional honeycomb core structure design. The invention increases the number of geometrical patterns on the spherical surface, the geometrical shapes have no voids and no overlaps, and most of the geometrical shapes are hexagonal shapes which can be well maintained, thus solving the problem of distortion of the spherical structure. The number of segmentation can also be determined according to the actual needs, so that the size of hexagon and the number of cells are not limited by the model.

The invention discloses a rapid induction method for calathea zebrine rhizome adventitious buds, and belongs to the technical field of flower and plant propagation. Calathea zebrine rhizomes are sheared off from a stock plant and cut into pieces of the length being 3-6 cm, and 0.2-0.5 cm deep cuts are formed in the epidermis every 1 cm through a cutter; ophioglossum thermale is juiced through a cell crusher and then centrifuged on a centrifugal machine for 10-20 min, a supernate of the ophioglossum thermale is taken for use; the obtained calathea zebrine rhizomes are placed into a temporary immersion type plant cultivator; the supernate of the ophioglossum thermale is attenuated through pure water and then injected into the temporary immersion type plant cultivator, the immersion frequencyof the temporary immersion type plant cultivator is immersed for 10-15 min per hour, and the cultivation temperature is set between 20 DEG C and 30 DEG C. The problems that in the cutting propagationprocess of the calathea zebrine rhizomes, the adventitious bud occurrence time is long and the number is small are solved.

The invention relates to an array amplitude-phase error estimation method based on a sparse reconstruction algorithm. The method comprises the following steps: acquiring space-time data received by anantenna array; the method comprises the following steps: firstly, constructing a standard array flow pattern dictionary matrix, and then initializing an additive amplitude-phase error to obtain a dictionary matrix with the amplitude-phase error; and calculating amplitude-phase errors and clutter spectrums by using sparse formula loop iteration, correcting the dictionary matrix with the amplitude-phase errors by using least squares, performing loop iteration estimation, and stopping when the estimation errors of the clutter spectrums of two adjacent times meet an expected condition. Accordingto the array amplitude-phase error estimation method based on the sparse reconstruction algorithm, the amplitude-phase error representation method is provided based on multiplicative and additive properties. The amplitude-phase error of the array is doubly estimated, and the amplitude-phase error is continuously updated in the sparse iteration process. Therefore, the estimated value of the clutterspectrum is more accurate, and the calculated amount of the array amplitude-phase error estimation method is greatly reduced.

The invention discloses a feed additive containing a traditional Chinese medicine active probiotic culture medium and used for preventing and treating avian influenza. A medium containing traditionalChinese medicine and active probiotics is adopted to carry out fermental cultivation on microorganisms used in a poultry micro-ecological feed additive. The medium containing the traditional Chinese medicine and the active probiotics comprises the following components: wheat bran, corn flour, brown sugar, a traditional Chinese medicine component, light calcium carbonate and yeast extract. The traditional Chinese medicine component comprises codonopsis roots, milk-vetch roots, Chinese magnoliavine fruits, manyprickle acanthopanax roots, baical skullcap roots, Chinese pulsatilla roots, honeysuckles, common andrographis herb, coptis roots, isatis roots, pollen and Chinese thorowax roots. The invention can solve the problems in the prior art that microorganisms in poultry micro-ecological feedadditives are low in amount, low in activity and weak in colonization ability when in intestinal tracts, so that the number of the microorganisms in the poultry micro-ecological feed additives is increased, and the activity of the microorganisms is improved, and the colonization ability of the microorganisms in the intestinal tracts is improved, and further, the avian influenza can be effectivelyprevented and treated.

An embodiment of the invention discloses a method and a device for determining a growth threshold of a point cloud area of a ship body complicated outside plate. The invention is used for settling a technical problem of no method for determining the growth threshold of the point cloud area of the ship body complicated outside plate, wherein the method has advantages of high inference speed, high generalization capability and high inference result accuracy. The method provided by the embodiment of the invention comprises the steps of extracting a gray scale of point cloud area data of the ship body complicated outside plate; calculating occurrence probability of each gray scale grade, and dividing the point cloud area data into background area data and target area data according to the occurrence probability of each gray scale grade; calculating a maximal solution which satisfies an interclass variance between the background area data and the target area data through a sliding window method, and using the maximal solution as the growth threshold of the point cloud area of the ship body complicated outside plate.

The invention discloses a gold leaf elm grafting method. Either the ground grafting or high branch grafting is adopted. White elms are selected as a foundation of a crosstie; scions are selected and prepared, stems with the length ranging from 9 cm to 12 cm of gold leaf elms are selected; grafting is carried out at the end of May in every year after foliation and skin removing of trees; the stored scions and taken out to dewaxed, and one ends of the stored scions are sharpened to be inserted into the crosstie, tightly wrapped by environment-friendly plastic strips and then sleeved with environment-friendly plastic bags; after 10 days, the environment-friendly plastic bags and the environment-friendly plastic strips are removed. The gold leaf elm grafting method is applicable to grafting with white elm seedlings growing for one to two years as crossties. By the adoption of the gold leaf elm grafting method, the gold leaf elm survival rate is more than 95% and is high, the reproduction speed is high, and the problem that large-area planting of gold leaf elm cannot be achieved due to the fact that a small number of gold leaf elms exist is solved. Environment-friendly plastic bags are used in the grafting method, so that pressure caused by non-degradable plastic bags to environment is reduced or even avoided.

The invention discloses a feed additive containing a traditional Chinese medicine-containing active probiotic medium for preventing and treating diarrhoea in chicks. The traditional Chinese medicine-containing active probiotic medium is used for fermentation culture of microorganisms used in the feed additive for preventing and treating diarrhoea in chicks . The components of the traditional Chinese medicine-containing active probiotic medium comprise wheat bran, corn flour, brown sugar, a traditional Chinese medicine component, light calcium carbonate and yeast extract. The components of thetraditional Chinese medicine component include radix pulsatillae, cortex phellodendri chinensis, scutellaria baicalensis, herba andrographitis, hemsleya amabilis, radix et caulis acanthopanacis senticosi, cortex fraxini, rhizoma atractylodis and liquorice. The feed additive can solve the problems in the prior art such as less microbial quantity, lower activity and weak intestinal colonization capability in ecological feed additives for chicks, thus the microbial quantity in the ecological feed additive for chicks is increased, the microbial activity and intestinal colonization capacity are improved, thereby effectively preventing and treating diarrhoea in chicks.

The invention discloses a laser imaging radar target echo signal simulation method and a simulator, which belong to the field of photoelectric information technology. The laser pulse receiving device of the present invention converts synchronous laser pulses into synchronous signals and initial laser pulses; generates control instructions according to the target trajectory data, and generates a series of step delay signals with the same delay difference under the trigger of the synchronous signal, representing respectively A series of equal-delay surfaces; the laser pulse delay spatial reconstruction device spatially distributes the step-delay signals to their respective equal-delay planes to form a spatial two-dimensional delay signal array; the projection optical system The time signal is projected to the entrance pupil of the tested lidar receiving lens to realize the echo signal simulation. The invention can solve the problems in the existing target echo signal simulation technical scheme that different working wavelengths cannot be used universally, the number of optical echo channels is small, the distance resolution is poor, and there is an uncertain delay, etc., and is mainly used in the semi-physical simulation of laser imaging radar guided weapons system.

The invention discloses a cuttage propagation method for Paranephelium hainanensis. The cuttage propagation method comprises a series of management steps such as test plot condition selecting, cuttingshearing, soil matrix treatment, hormone treatment, cuttage and later stage management. The cuttage propagation method is simple in operation and obvious in effect, a scientific basis is provided forprotection and sustainable utilization of the Paranephelium hainanensis, the population quantity of the Paranephelium hainanensis is enlarged, and the difficulty of the Paranephelium hainanensis thatthe seed quantity is small, the percentage of germination is low, and the like is solved.