backward motion meaning in English

反向运动
回程运动
回行运动
逆动
逆向运动

A special program is designed to perform backward motion of cathode on the old locus when breakdown is occured and go on after geting rid of the occurance
详细介绍了发生故障时，阴极按原轨迹回退和再进给至原加工点的编程方法。
The ballbot has eight internal states that the policy must take into account : four for its forward / backward motion and four for its left / right motion
决定规则时必须考虑圆球机器人的八种内部状态，四种是机器人的前后动作，四种是左右动作。
" behave yourself , sir . " she tossed her head with a familiar backward motion to throw the chestnut hair from her face , and looked at him with eyes veiled slightly under their lashes . " you will go with kate and me ?
"乖一点,先生. "她熟练地把头往后一抬，把栗色头发从脸上移开,然后看着他, "你会和凯特与我一起走吗?
Based on the cubic spiral method proposed by y . j . kanayama in 1997 , an improved method for joining cubic spirals with straight lines is being studied now . this novel method will amend some drawbacks of the original one and be extended to suit the mobile robot with both forward and backward motion abilities
我们运用直线和三次螺旋线为规划基础,改进y . j . kanayama于1997年提出之三次螺旋线轨迹规划法的诸多缺失,并且能够进行单向或双向(具有倒退机能)的轨迹规划问题。