Terms containing zero range

Subject	English	Chinese
geophys.	zero range approximation	零值域近似
space	zero range calibration	距离校零
tech.	zero range mark	零距离标记
space	zero range measurement	距离零值测量 (应答机的)
mil., air.def.	zero range selector wave-form	零距选择器脉冲波形
tech.	zero range trigger	零距触发脉冲
mil., air.def.	zero range trigger generator	零距离触发脉冲发生器