Terms containing return-to-zero pulse

Subject	English	Chinese
oil	non-return to zero pulse	非归零脉冲
oil	non-return to zero pulse	不归零脉冲
tech.	non-return-to-zero pulse	不归零脉冲
el.	pulse code modulation/non-return-to-zero	脉码调制/不归零信号变换
el.	pulse width encoding-non-return-to-zero	脉宽编码-不归零制
oil	return-to-zero pulse	归零脉冲
el.	return-to-zero pulse code modulation	归零脉码调制