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多普勒效应动态演示
Author:
孟宝兴
GeoGebra
New Resources
Introduction
cylinder net slider
Linear Cross Section Exercise
Teorema Japonês para quadriláteros inscritos em uma circunferência
Angles and Intersecting Lines: Quick Investigation
Discover Resources
ITA - Succession n.3
Tools
Turner_LabelingObjects
Conguent Segments 2
正切的概念
Discover Topics
Solids or 3D Shapes
Geometric Transformations
Interest Calculation
Parabola
Piecewise Functions