Teaching aid for demonstrating arc length between two equally latitudinal points of spherical surface
A technology of arc length and latitude, applied in the field of arc length teaching aids, can solve the problem of inconvenient measurement of spherical surfaces
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[0017] The present invention will be further described by describing the embodiments below in conjunction with the accompanying drawings.
[0018] Such as figure 1 , 2 As shown, the invention discloses a teaching aid for demonstrating the arc length between two points of the same latitude on a spherical surface, including a supporting structure, a connecting mechanism and a measuring mechanism, and the measuring mechanism is installed on the supporting structure through the connecting mechanism.
[0019] The support structure includes a base 101, and the center of the base 101 is provided with an installation hole for installing the connection mechanism. The connection mechanism includes a first support rod 201, an arc support rod 202, an adapter rod 203 and a connector 204. One end of the first support rod 201 is inserted into the mounting hole in the center of the base 101, and the other end is fixed to the arc support rod 202. One end is fixed, the other end of the arc-sh...
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