recoilern.卷取机(重卷机)recoilv.退却；畏缩；弹回；报应n.畏缩；弹回；后坐力recoil tritium labelling method反冲氚标记法recoilless resonance absorption无反冲共振吸收recoil-counterrecoil mechanism制退复进机recoil proton neutron spectrometer反冲质子中子频谱仪recoil proton proportional counter反冲质子正比计数器recoil proton scintillation counter反冲质子闪烁计数器

1. Some of the energy intended for the photon is drained off by the recoiling atom.
   原来给予光子的能量有一部分为反冲原子所消耗。