Tellurian-shaped solid geometry teaching aid

Tellurian-shaped solid geometry teaching aid

The utility model discloses a terrestrial globe shape solid geometric teaching instrument, comprising a frame and a connecting part. The teaching instrument is characterized in that the frame is formed by the cross-connection of three circles with equal radius; wherein, a circle (1) is respectively...

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1. Verfasser: FENG JINGLING
Format: Patent
Sprache:chi ; eng
Schlagworte:
ADVERTISING
APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE
CRYPTOGRAPHY
DIAGRAMS
DISPLAY
EDUCATION
EDUCATIONAL OR DEMONSTRATION APPLIANCES
GLOBES
PHYSICS
PLANETARIA
SEALS
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creator FENG JINGLING
description The utility model discloses a terrestrial globe shape solid geometric teaching instrument, comprising a frame and a connecting part. The teaching instrument is characterized in that the frame is formed by the cross-connection of three circles with equal radius; wherein, a circle (1) is respectively articulated with a circle (8) and a circle (9) on four quartiles (2) thereof; a movable clamp ring (5) is arranged at the intersection of the circle (8) and the circle (9); and the circular diameters of all the circles are respectively provided with circular holes (3) and a connecting part (4) is connected with the corresponding circular hole (3). The utility model has simple structure and strong operability, can demonstrate inscribed geometry of various spheres and hemispheres, also can demonstrate the change of more complex geometric figures, is convenient to teaching for teachers, can show three-dimensional space visually and is beneficial to strengthen three-dimensional imagination.
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language chi ; eng
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subjects ADVERTISING
APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE
CRYPTOGRAPHY
DIAGRAMS
DISPLAY
EDUCATION
EDUCATIONAL OR DEMONSTRATION APPLIANCES
GLOBES
PHYSICS
PLANETARIA
SEALS
title Tellurian-shaped solid geometry teaching aid
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