常见例句双语例句For two photon transition, because of dephasing collision, Doppler free Lorentz peak will vanish via the increasing of buffer gas pressure.对于双光子激发过程，由于消相碰撞，无多普勒加宽的洛伦兹尖峰随缓冲气体压力的增大而很快消失； 返回 buffer gas collision