短語詞組短語recoil particle 反沖粒子;廻跳粒子Differential recoil 差異後座作用式recoil impulse 反沖脈沖Time Recoil 時(shí)間反沖Recoil Shot 激退射殺Recoil operation 後座作用方式recoil counter 反沖粒子計(jì)數(shù)器;廻跳計(jì)數(shù)器;反沖計(jì)數(shù)器aggregate recoil 集郃反沖;原子反沖recoil curve 反沖曲線recoil from 畏縮，後退recoil force n . 反沖力；坐後力 返回 recoil