Terms containing primary variable

Subject	English	Chinese
seal.	primary controlling variable	主控制变量
earth.sc.	primary dependent variables	准应变数
busin.	primary variable	主变数
tech.	primary variable	基本变数
space	variable primary nozzle	可调主喷管
space	variable primary nozzle	可调载面主喷管
avia.	variable primary nozzle	可调截面主喷管