pulse set脉冲源pulsen.脉搏；脉冲；[植]豆类v.搏动；跳动pulse widening circuit脉冲加宽电路Pulsed Neutron Neutron脉冲中子-中子测井（PNN）Pulse Delta Modulation脉冲增量调制pulse bag dust remover脉冲袋式除尘器pulse direction finder脉冲探向器pulse time demodulator脉(冲)时(间)解调器pulse repetition cycle脉冲重复周期pulse height selection脉冲高度选择pulse-chase labeling脉冲追踪标记pulse width multiplier脉宽倍增器