脉冲计时器 pulse timer

电脉冲计数器 electric impulse counter

脉冲计时 [电子] pulse timing

光脉冲计数器 [电子] optical pulse counter ; optical pulse-counting

脉冲计数装置 gamma pulse counting assembly ; beta pulse counting assembly ; pulse counting equipment ; alpha pulse counting assembly

脉冲计数 [电子] PULSE COUNT ; GGIO ; pulse-counting ; counting pulse

电子脉冲计数器 electronic pulse counter

跳进式脉冲计数器 jump counter

脉冲计数制 pulse counting system