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平行光线下物高与影长的关系
Author:
刘恒绪
GeoGebra
New Resources
Curves
apec
JLA Harry Potter
Untitled
JLA Copy of ANSHS_BascoAlyana
Discover Resources
Shifts
beesG3D
매개변수 방정식으로 된 프링글스
A dynamic visualization of the hyperbolic geometry
mypie
Discover Topics
Equilateral Triangles
Piecewise Functions
Intersection
Conditional Probability
Geometry