碰撞率rate: vt.,vi. 〔方言〕=ret. collision reaction rate: 碰撞反應速率collision theory of reaction rate: 反應速率的碰撞理論; 反應速率碰撞理論packet collision rate: 封包碰撞率in collision: 相撞, 在沖突中下載手機詞典可隨時隨地查詞查翻譯