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多普勒效应动态演示
Author:
孟宝兴
GeoGebra
New Resources
Construct a Square
Stairs (Optical Illusion)
Slope of a Straight Line: Run and Rise
"Compressed" Astroid as Envelope
Pelecoid
Discover Resources
testType
Halbkreis-halber-Kreisumfang-Strecke-4
Angle Bisector
The basic cubic curve
Challenge 2
Discover Topics
Congruence
Percentages
Optimization Problems
Exponential Functions
Integers