Terms containing preliminary impulse

Subject	English	Chinese
mil., air.def.	accidental preliminary impulse	偶发脉冲
mil., air.def.	preliminary impulse	预置前发脉冲
gen.	preliminary impulse	前发脉冲
earth.sc.	preliminary reverse impulse	起始逆脉冲
earth.sc.	preliminary reverse impulse	起始反脉冲