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41results about How to "Good visual enjoyment" patented technology

Display method and system for song rhythm

The invention provides a display method and system for a song rhythm. The method comprises: according to a preset collection period, audio data of a song are obtained; a frequency amplitude of the audio data is obtained; a beat value of the audio data is obtained; the audio data are displayed based on the beat value and the frequency amplitude, wherein the display speed of the audio amplitude is determined based on the beat value. According to the invention, the beat value of the audio data is obtained and the audio data are displayed by combining the frequency amplitude; and the display speed of the audio amplitude is determined by the beat value. The music rhythm, beat, and frequency can be displayed vividly and visually and the music rhythm is represented perfectly based on combination of the rhythm, beat, and frequency; and the good visual enjoying experience can be provided for the audience and the active music atmosphere can be created.
Owner:FUJIAN STAR NET EVIDEO INFORMATION SYST CO LTD

Method and system for quickly switching window layout

The invention provides a method for quickly switching window layout, which comprises the following steps of: S1, opening up a new window layout window on a top layer; S2, judging whether the new window layout window completely covers the old window layout window, and turning to S3 step of the new window layout window does not completely cover the old window layout window; S3, hiding the old window layout window. The invention further provides a system for quickly switching window layout. The invention solves the problem that the quick switching stability of the window layout is difficult to be guaranteed in the window layout switching process because of excessive dependence on performance of hardware devices.
Owner:GUANGDONG VTRON TECH CO LTD

Terminal and method for transferring video

The invention discloses a terminal for transferring video, including an audio-video splitting-combining unit for combining locally-obtained video stream and audio stream or splitting the audio-video combination transmitted from the opposite terminal into video stream and audio stream; an equipment finding unit for searching a first equipment having image obtaining and image displaying functions; the audio-video splitting-combining unit receives video stream of image obtained by the first equipment after the equipment finding unit finds the first equipment, the video stream is used as object for local audio-video combination, or, the splitted video stream is transmitted to the first equipment for image display. It is obvious that display effect is reinforced by transferring the opposite image to a first equipment having a large screen, which brings the user with better visual enjoying without limitation of video terminal screen size. The invention also provides a method for transferring video.
Owner:LENOVO (BEIJING) LTD

Method and device of virtual space stereo imaging

The invention discloses a method of virtual space stereo imaging, comprising the following steps: 1. displaying a three-dimensional image by a display device arranged outside the focus of a sphericalconcave mirror and within the sphere center thereof; 2. irradiating the three-dimensional image into the spherical concave mirror by a beam splitter; and 3. reflecting the three-dimensional image outby the spherical concave mirror so as to form a dangling three-dimensional image in the space of people visual angle. The invention also discloses a device of realizing virtual space stereo imaging. The invention combines computer technology, three-dimensional image manufacture, modelling art and optical imaging technology as a whole, and can show a lifelike virtual image suspending in the air andhaving stereoscopic impression right ahead the device; and the visual image can be seen but can not be touched and provides new, attractive and intriguing visual enjoyment.
Owner:上海杰派展示有限公司

Preparation process of wild ancient tree black tea

InactiveCN104273252AFat and heavy in appearanceGlossy blackPre-extraction tea treatmentBlack teasHorticulture
The invention discloses a preparation process of wild ancient tree black tea. The black tea is prepared from fresh leaves of Yunnan wild arbor ancient tea trees which grow for more than five hundred years, and the preparation process comprises steps of fresh leaf picking, withering, twisting, fermenting and drying. The preparation process disclosed by the invention has the beneficial effects that the black tea prepared by the preparation process is strong and solid in appearance, and is black and bright in color; the tea, after being brewed, has fresh, natural and pure sweet fruit aroma; tea soup is golden yellow, clear and bright; the black tea tastes fresh, mellow and sweet, thick, mellow and has long-lasting aftertaste; buds below the leaves are tender, fat and complete. In addition, the black tea is still aromatic and mellow after being brewed for more than 15 turns, and the sweet and mellow taste in the mouth lasts for a long time; and the black tea is well received by all people.
Owner:BAOSHAN CHANGNING HONG TEA GRP

Marathon rebroadcasting system

The invention provides a marathon rebroadcasting system. The marathon rebroadcasting system comprises a plurality of cameras, an audio device, a global positioning system (GPS) device, a map image generation module, a synthesis module, one or more caption machines and a channel switching device, wherein the plurality of cameras are used for shooting video background images; the GPS device comprises GPS equipment used for acquiring the current route information of a marathon; the current route information comprises longitude and latitude information; the map image generation module is used for invoking map information of a map library on the basis of the longitude and latitude information to generate a map image of the current route; the synthesis module is used for synthesizing the map image and competition route information; the synthesized map image serves as the map image of the current route; the one or more caption machines comprise a caption manufacturing module used for manufacturing caption images according to the map image; and the channel switching device is used for superposing the caption images input by the caption machines and the video background images input by the plurality of cameras and then outputting the superposed images. The marathon rebroadcasting system can increase the amount of rebroadcasting information so as to meet requirements of people on the amount of marathon information.
Owner:CHINA DIGITAL VIDEO BEIJING

Method and system for regulating background during watching of ipad video, and ipad video player

The invention is suitable for technical field of regulation of video background modes, and provides a method and system for regulating a background during watching of ipad video, and an ipad video player. The method comprises the steps of: setting a control on a video interface; receiving a command of operating the control by a user; judging whether the command of operating the control is to lift a curtain or drop the curtain; when judging that the command of operating the control is to lift the curtain, setting the video background to a light tone; when judging that the command of operating the control is to drop the curtain, setting the video background to a dark tone; or judging the mode where the current video is in; when judging that the mode where the current video is a cinema mode, setting the video background to the dark tone; and when judging that the mode where the current video is in is an edition mode, setting the video background to the light tone. The iPad video player provided by the invention has a function of similarly switching on or off a lamp on a video website, better develops characteristics of large screen and strong resolution ratio of the iPad, and provides better vision enjoyment for the user.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Stage lighting device capable of conveniently rotating

The invention relates to a stage lighting device, in particular to a stage lighting device capable of conveniently rotating. According to the technical aim to be achieved, the stage lighting device capable of conveniently rotating is good in use effect and capable of building good stage effect lighting and has many additional functions. In order to achieve the technical aim, the stage lighting device capable of conveniently rotating comprises a first gear, a first belt wheel, a first connecting belt, a second belt wheel, a second connecting belt, a third connecting belt, a first motor, a third belt wheel and the like; and the bottom of the first motor is connected with the third belt wheel, and the second belt wheel is arranged on the left portion of the third belt wheel. The stage lighting device has the beneficial effects that the use effect is good, good stage lighting can be built, and many additional functions are achieved; and different needed lighting effects can be generated in the use process, and good visual enjoyment is brought to audiences.
Owner:张子和

Device for removing display pixel particle effect and OLED (organic light emitting diode) display screen

The invention provides a device11 for removing display pixel particle effect, which comprises an optical lens device 01 and a scattering device 02. The optical lens device 01 covers the front of a display pixel group 12 of an OLED (organic light emitting diode) display screen, the scattering device 02 is arranged in front of the optical lens device 01, and the optical lens device 01 is used for refracting light emitted from the display pixel group 12 to the surrounding. The invention further provides an OLED display screen, which comprises at least one OLED display module 13, a signal driving circuit 14, a power source 15, a fixing bar 16, a backing plate 17 and the device 11 for removing the display pixel particle effect. By the device for removing display pixel particle effect, the pixel fill rate is increased, the display pixel particle effect of the OLED display screen is removed, and excellent visual experience can be brought to viewers.
Owner:GUANGDONG VTRON TECH CO LTD

Manufacturing process of imitated cloisonn product

The invention relates to a manufacturing process of an imitated cloisonn product, in particular to the manufacturing process of the imitated cloisonn product on a pottery, a porcelain or an azure stone. The manufacturing process mainly comprises four steps, namely pattern design, wire inlay, blue pointing and paint spraying. The manufacturing process breaks through the traditional manufacturing process of the imitated cloisonn product; the step of blue pointing is performed for only one time, so the manufacturing process is simplified; color sand is troweled while the step of blue pointing is performed; and the finished product can be manufactured only by the step of paint spraying without the steps of abrading (grinding), polishing, firing and gold-plating. When the manufacturing process of the imitated cloisonn product is compared with the traditional manufacturing process of the imitated cloisonn product, the working time can be saved by about 85 percent, so the manufacturing process is suitable for standard mass production; manual processes, such as welding and the like, in the step of wire inlay, are eliminated, and a large number of welding materials are saved at the same time, so the material cost and the labor cost are reduced by about 80 percent; the imitated cloisonn product manufactured by the process has more novelty and peculiarity, a smooth surface, more feeling of sand particles and a smarter picture, and brings better visual enjoyment to people; and because an environment-friendly transparent protecting paint is sprayed on the surface of the imitated cloisonn product, the imitated cloisonn product is safe and environment-friendly and is easy to clean.
Owner:姜洲

Electronic-technology-product display device

The invention relates to a product display device, in particular to an electronic-technology-product display device. According to the technical scheme, the electronic-technology-product display devicecomprises a bottom plate, a lifting device, a supporting plate, a protection device, a fixing rod, a containing plate and the like; the lifting device is arranged at the top of the bottom plate, thesupporting plate is arranged at the top of the lifting device, the protection device and the fixing rod are arranged at the top of the supporting plate, the fixing rod is located in the middle of thetop of the supporting plate and located in the protection device, the containing plate is arranged at the upper end of the fixing rod, first supports are symmetrically arranged on the left side and the right side of the top of the containing plate, and frame supports are arranged below the front portions of the first supports. According to the electronic-technology-product display device, the effects that electronic technology products can be protected and cannot be damaged, electronic technology products can be comprehensively displayed, and persons conveniently adjust the display height areachieved.
Owner:钟苡苇

Multimedia projector with embedded operation system

The invention discloses a multimedia projector with an embedded operation system. The multimedia projector is provided with a signal processing module, an audio processing module and an embedded operation system; the embedded operation system comprises MCU (Microprogrammed Control Unit) hardware and an embedded intelligent operation software system, wherein a wireless network module, a Bluetooth module and an INTERNET / LAN module are provided on the basis of the embedded operation system; 3G data and external data are wirelessly transferred to the wireless network module and the Bluetooth module; an RJ 45 / IP interface is connected with the INTERNET / LAN module; the wireless network module and the Bluetooth module are correspondingly provided with a wireless keyboard and a wireless mouse; and the embedded operation system is provided with projection output and audio output. Compared with the prior art, the multimedia projector with the embedded operation system, which combines a computer, communication electronics product and consumer electronics into a whole, can be flexibly added with a plurality of interfaces as required to enrich the product functions, has functions such as wireless data transfer, wireless network connection and wireless communication and realizes the integration of entertainment, teaching and office work.
Owner:LIDA OPTICAL & ELECTRONICS

Method and device used for performing user operation on multi-point touch terminal

InactiveCN105930079AGuaranteed to cooperate with the implementationAvoid inflexibilityVideo gamesInput/output processes for data processingConnection - actionHuman–computer interaction
The invention aims to provide a method and a device used for performing a user operation on a multi-point touch terminal. During the period of executing an object moving operation, an execution triggering operation of a user on a touch screen is obtained; a second object corresponding to the execution triggering operation is correspondingly processed by utilizing the first object, so that the first object can make a response to the execution triggering operation during the period of making a response to the moving operation, the corresponding processing of the first object to the second object is realized, a good display effect is ensured, the inflexibility of a virtual character when acting while moving in a game is avoided, and the complete set of actions are more user-friendly; and embodiments of the invention aim to make a user get better visual enjoyment and faster game experience. In addition, the problems of inflexibility and stiffness of the first object (the virtual character) when acting while moving in the game can be solved through connection actions and the response of the object moving operation execution to the execution triggering operation can be fluently made.
Owner:SHANGHAI DOUWU NETWORK SCI & TECH

Light beam combining system and projection apparatus therefor

The invention provides a light beam combining system and an application of the light beam combining system in a projection apparatus. The light beam combining system comprises a first light beam and a second light beam from different incidence directions; and a light combining apparatus for enabling the first light beam and the second light beam to be reflected, and enabling the reflected light beam to be propagated in the same direction; the light combining apparatus a first reflecting surface for reflecting the first light beam and a second reflecting surface for reflecting the second light beam; the light beam combining system adopts the light combining apparatus to combine the two light beams from the different incidence directions to enable the two light beams to be focused into the light beam of the same direction, so that the illumination intensity of the light beam is greatly increased to further improve the performance of the projection apparatus adopting the light combining system on the condition of ensuring the size and the weight conditions, and better view enjoyment is brought for users.
Owner:IVIEW DISPLAY SHENZHEN CO LTD

Air supply system and air conditioner

The embodiment of the invention discloses an air supply system which comprises a centralized air supply machine arranged on the outer side of a room and an indoor unit air supply pipe. One end of the indoor unit air supply pipe is communicated with an air outlet of the centralized air supply machine, and the other end of the indoor unit air supply pipe is connected with indoor units so that airflow flowing out of the indoor unit air supply pipe can pass heat exchangers of the indoor units. According to the air supply system, the centralized air supply machine is arranged outside the room, so that a draught fan is not needed for the indoor units; and the centralized air supply machine supplies air to the indoor units so that the heat exchange speed of the heat exchangers of the indoor units can be increased. Due to the fact that a draught fan system is not needed for the indoor units, the overall noise of the indoor units can be lowered, the internal space of the indoor units is reduced, miniaturization of a unit is achieved, and no limit of the draught fan system structure exists; and the indoor unit structures can be diverse, the indoor unit structures can be bent at any angle, and therefore more excellent visual enjoyment can be provided for users. The invention further discloses an air conditioner.
Owner:GREE ELECTRIC APPLIANCES INC

Loudspeaker box vibration membrane

The invention relates to the technical field of a loudspeaker box vibration membrane. The loudspeaker box vibration membrane comprises a fixing shell. A through slot is opened on the fixing shell. The side wall of the through slot is bended to form a step. A diaphragm is overlapped on the step; the diaphragm comprises an edge and a vibration sheet. The edge comprises an inner transverse part, a bending part and an outer transverse part which are successively connected from the inside out; the outer transverse part is connected with the step; the vibration sheet is arranged on the inner transverse part; and a fixing ring is arranged on a step cover. According to the loudspeaker box vibration membrane, the diaphragm is overlapped on the step and then is fixed by the fixing ring. In this way, the diaphragm is stably connected with the fixing shell. Compared with the existing glue dispensing mode, the loudspeaker box vibration membrane has the advantages that the problem of low production efficiency resulting from long glue dispensing curing time, the problem of influencing resonance resulting from glue dispensing overflow, and the problem of ineffective diaphragm effect resulting from easy fall-off of dispensed glue can be avoided, moreover, through adjusting the weight of the vibration sheet, the resonance frequency is adjusted, therefore, better sound quality of the loudspeaker is obtained, and better visual enjoyment is provided for people.
Owner:SHENZHEN SAIYIN MICROELECTRONICS CO LTD

Movable dust collection type computer display screen

The invention relates to the technical field of computer display screen equipment, in particular to a movable dust collection type computer display screen which comprises a display screen main body, sliding grooves, an infrared sensor, a pulley control button, a pulley, a mandrel, a brush bar and bristles. The periphery of the display screen main body is provided with a frame, and a thermometer isinstalled on the upper right side of the frame. The infrared sensor and a start switch are sequentially mounted on the lower surface of the frame from left to right, the left side and the right sideof the display screen main body are provided with the sliding grooves respectively, the top of each sliding groove is provided with a fixing column, one end of the fixing column extends to the outer side of the display screen main body, the other end of the fixing column extends into the display screen main body, one end of the fixing column extending into the display screen main body is connectedwith a spring, and the other end of the spring is connected to the upper inner wall of the display screen main body. The whole display screen is simple in structure, convenient to operate, free of radiation to the human body, has functions of automatic cleaning and position adjustment, and has a certain popularization value.
Owner:成都慧联天下信息技术有限公司

A light control method and system for improving yield and quality of green pomelo

The invention belongs to the technical field of light control, and discloses a light control method and a system for improving the yield and quality of green pomelo. The light control system for improving the yield and quality of green pomelo comprises a solar power supply module, a light intensity detection module, a video monitoring module, a main control module, an LED module, a dimming module,a light time setting module, a fault detection module and a display module. The LED dimming system based on the method of the invention has the advantages of high dimming efficiency and simple operation. At the same time, the fault detection module simplifies the structure of LED lighting system and reduces the maintenance difficulty and cost of the system. The invention realizes the fault detection of the LED lamp without setting a plurality of fault detection devices through the mode of control bus + light / electricity conversion, thereby achieving the technical effects of simplifying the lighting system structure and reducing the system maintenance difficulty and cost.
Owner:HUBEI UNIV FOR NATITIES

Environment-friendly solar energy LED display screen

The invention discloses a solar energy environment-friendly LED display screen, which comprises a junction box, an energy converter and an LED display screen; There is a regulator, and an organic body is installed on the lower side, the LED display screen is installed on the lower side of the body, and a battery is installed on the lower side, a convenient switch is installed on the lower side of the body, and a radiator is installed, and a pillar is installed on the lower side of the body , and a stable chassis is installed on the underside of the pillar. In the present invention, the sunlight is directly irradiated on the solar panel, and the adjuster is adjusted to adjust the angle of the solar panel to follow the change of the seasonal weather, so that the solar panel is most suitable for the sun's altitude angle, so that the light energy can be received to the maximum, through the energy converter The received light energy is converted into electrical energy, making the energy source green, and the battery is fully charged through the converted electrical energy, so that the LED display can be played at night, reducing the consumption of additional energy.
Owner:杨挺

Display assembly and rearview mirror display screen

InactiveCN114217485APlay the role of reflecting ambient lightDisplay light exitNon-linear opticsOptical viewingEngineeringPolarizer
The invention discloses a display assembly and a rearview mirror display screen, and relates to the field of display screens. The display assembly comprises a cholesteric liquid crystal layer, a quarter-wave plate, a linear polarizer and a display module which are sequentially stacked, under the condition that the cholesteric liquid crystal layer is powered on, display light emitted by the display module sequentially penetrates through the linear polaroid, the quarter-wave plate and the cholesteric liquid crystal layer, so that the display assembly has a display function. Under the condition that the cholesteric liquid crystal layer is powered off, display light emitted by the display module sequentially penetrates through the linear polarizer and the quarter-wave plate and is reflected on the side, facing the quarter-wave plate, of the cholesteric liquid crystal layer, and ambient light is reflected on the side, deviating from the quarter-wave plate, of the cholesteric liquid crystal layer. The rearview mirror display screen comprises the display assembly. The problems that the contrast ratio of a displayed image is poor, negative influences are caused to a driver wearing a polarized lens, and the cost of a current reflection type polaroid is high can be solved.
Owner:BEIJING RAYBOCH TECH CO LTD

Preparation method of health-care flower-shaped chrysanthemum black tea

The invention provides a preparation method of health-care flower-shaped chrysanthemum black tea. The preparation method comprises the following steps of performing pretreatment soaking by selecting aspecial soaking solution, then spraying a chitosan aqueous solution, performing bergamot essential oil fumigation treatment, and finally performing wrapping formation and baking treatment to acquirethe chrysanthemum black tea. As for the chrysanthemum black tea, the functional ingredients in chrysanthemum after being brewed can be rapidly extracted, the intact flower shape of chrysanthemum is kept, and the chrysanthemum black tea is rich in chrysanthemum fragrance and mellow in black tea flavor.
Owner:西双版纳系云生物资源开发有限公司

Preparation method of chrysanthemum black tea with flower shape

The invention provides a preparation method of a chrysanthemum black tea with a flower shape. The preparation method comprises following steps: spraying a chitosan water solution, using bergamot essential oil to carry out fumigation, wrapping, moulding, and baking to obtain the chrysanthemum black tea. After brewing, the shape of chrysanthemum flowers can still be maintained, and moreover, the black tea is rich in fragrances of black tea and chrysanthemum.
Owner:西双版纳系云生物资源开发有限公司

Intelligent showing platform for automobile

PendingCN109754730ARealize the introduction of intelligent displayWide image effectAdvertisingIdentification meansLED displayEngineering
The invention discloses an intelligent showing platform for an automobile. The intelligent showing platform comprises a front platform body, the automobile, touch sensors, a rear platform body, a bigLED (Light Emitting Diode) display screen, supports, sound boxes, a control box, a box cover, a baffle plate, a relay module, a multimedia player, a video hub and an audio hub, wherein the automobileis arranged on the front platform body; the automobile is located at the middle part of the front platform body; the automobile is provided with a plurality of touch sensors; the rear platform body isarranged at one side of the front platform body; the big LED display screen is connected with the rear platform body through the supports; the sound boxes are arranged at two sides of the rear platform body. According to the intelligent showing platform disclosed by the invention, the effects of showing and propagandizing products are increased, the attraction to customers is strong, and the costof salesmen is saved.
Owner:CHANGZHOU INST OF MECHATRONIC TECH

High-and-large space partition wall with sound insulation function

The invention discloses a high-and-large space partition wall with a sound insulation function. The partition wall sequentially comprises a first gypsum board, a first vertical galvanized square tube,a vertical light steel keel, a second gypsum board, a second vertical galvanized square tube, a third transverse-vertical galvanized square tube, a flame retardant board and a mirror. The first vertical galvanized square tube and the second vertical galvanized square tube are fixed to upper and lower floor slab structures through galvanized steel plates and expansion bolts. According to the high-and-large space partition wall with the sound insulation function, the characteristics that materials are light, deformation is avoided, the strength is high, and assembly is easy and convenient are achieved, environment-friendly construction is achieved, the environment is not polluted, sound insulation is good, efficient and energy-saving effects are achieved, the bright and attractive style ofa modern rhythm is also embodied, the functionality and decoration property of a product are extremely good, and meanwhile good visual enjoyment is provided for a user.
Owner:CHINA CONSTR DONGFANG DECORATION CO LTD

Movable pendant

ActiveCN113080581ASolve the monotonic defectGood visual enjoymentJewelleryHuman bodyEngineering
The invention provides a movable pendant, which comprises a first pendant body and a second pendant body, wherein the first pendant body is provided with a rotating shaft, the rotating shaft is rotatably sleeved in a fixing piece, and the fixing piece is fixedly arranged on the second pendant body; and the first pendant body swings at any angle with the second pendant body through the rotating shaft. The connecting rod center line of the rotating shaft and the first pendant body are transversely arranged at an angle, so that the gravity center of the first pendant body is not located in the center of the pendant body but located at a point A of the first pendant body, the gravity center point A of the first pendant body can move along with the movement of a human body, the first pendant body is driven by the rotating shaft to swing left and right or up and down in any angle with the second pendant body in an open groove, so that better visual enjoyment is provided for people. The defect of monotonicity of a fixed pendant is overcome, the cost is saved for consumers, and the psychology of pursuing beauty of people is met.
Owner:福州依强珠宝首饰有限公司

Method for combined cultivation of cosmos bipinnata and cosmos sulphureus in flower fields and sea of flowers

The invention discloses a method for combined cultivation of cosmos bipinnata and cosmos sulphureus in flower fields and sea of flowers, and relates to the technical field of garden flower cultivation. The method comprises the following steps: land selection, land preparation, sowing, seedling management and daily management. The method reasonably regulates all links of cultivation, can effectively control the cost and shorten the construction period through earlier stage integrated construction measures, such as planting area selection, soil treatment, terrain construction, in land selectionand land preparation, ensures that flower season effect is good and the seed survival rate and the emergence rate are high through seed selection, sowing and later period daily management technologies, adopts extensive management during the whole cultivation period, and is low in maintenance cost.
Owner:佛山市顺博城市发展有限公司

A manufacturing process of soft pottery decorative surface hard shell notebook

The invention discloses a manufacturing process of a polymer clay decorative surface hard-shell notebook. The manufacturing process comprises the following steps that a relief male-face model is manufactured; a relief female-face mold is duplicated; polymer clay is blended uniformly and rolled flatly; the relief female-face mold is coated with a release agent; the polymer clay is flatly laid on the female-face mold and is compacted and rolled flatly; the shape of the polymer clay is subjected to finishing; the polymer clay is subjected to preliminary preheating and sizing; the female-face mold and the polymer clay are separated; cured polymer clay relieves are subjected to finishing; the preliminarily-cured polymer clay is heated to be completely cured; and the polymer clay relieves are attached to a cover shell of the hard-shell notebook. According to the manufacturing process, the decoration effect of the appearance of the notebook is enhanced, and carrying and sorting are not influenced; and the polymer clay is one kind of polymer clay, is high in chemical stability and has the beneficial effects of being antibacterial, resistant to moths, not prone to rotting and the like, and the polymer clay has considerable durability. The polymer clay semi-stereoscopic decorative surface process can also be applied to book decoration in an extending manner.
Owner:NANJING UNIV OF INFORMATION SCI & TECH
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