steering command meaning in English

操纵指令

If the sight line does not rotate in space then no steering commands are necessary as a missile is on a collision course .
如果视线在空间不转动，那么导弹总是在遭遇航线上，这就无需操纵指令。
Fourth , a new driver preview trajectory strategy assumption based on nature coordinate system is suggested . the concept of lateral preview yaw is presented . a new handling control model of the driver ? steering command decision based on the lateral preview yaw is also put forward
第四，提出了在自然坐标下的驾驶员前视预瞄轨迹的预瞄策略，给出了横向预瞄偏差的概念，建立了基于横向预瞄偏差的驾驶员前视轨迹控制模型。