物理· 小学
质量和弹簧
实验简介
质量和弹簧 - PhET Interactive Simulation
点击开始 AI 辅助学习
来源与许可
来源：PhET Interactive Simulations
许可：CC BY 4.0
This simulation is based on PhET Interactive Simulations, University of Colorado Boulder. Source: https://phet.colorado.edu/ License: CC BY 4.0.