Four – phrases

Terms for subject Air defense containing Four | all forms | exact matches only

English	Chinese
fluid-four	十字流线型编队
four-axial stable system	四轴稳定系统
four digit system	四位制
four dimensional space	四维空间
four figure system	四位制
four frequency duplex communication	四频双工通信
four frequency key sending	四频脉冲键控发送
four-horn feed	四喇叭馈源馈电器
four point contract center-oriented thrust ball bearing	四点接触向心推力轴承
four -pole network	四端网络
four poles	四端网络
four-pseudo-random coded signal	四相伪随机编码信号
four-pulse frequency agility	四脉冲频率捷变
four-quadrant	四象限
four-terminal oscillator	四端振荡器
simple-pole four-throw	单刀四掷
symmetrical four terminal network	对称四端网络
two phase four-wire system	两相四相制