pulse onadj.启动pulsen.脉搏；脉冲；[植]豆类v.搏动；跳动pulse permeability脉冲磁导率pulse spectrograph脉冲摄谱仪pulsed synchrotron脉冲同步加速器pulse intercepting脉冲拦截pulse synchronizer脉冲同步器pulse crest factor脉冲波峰因数pulse refrigerator气波冷却器pulsed bombardment脉冲轰击pulser cultivation豆类植物栽培pulse falling edge脉冲下降边沿