原地旋转 meaning in Chinese

zero forward velocity operation

If you spin around several times and stop suddenly , you will feel giddy
如果你原地旋转几圈后突然停止，就会感觉头昏眼花。
From a stationary hover , execute a tail rotor only turn of 360 degrees to either the right or the left
先保持静止停悬，然后方向舵打右舵或左舵，使机体原地旋转360 。
Early morning my mother ' s returns to attend the grandfather ceremony , the wife asks for leave in the home looks after the daughter , said she already was rotated 180 , in other words the head and foot position exchange in the sleeping
早上我妈回新店参加外公仪式，老婆请假在家里照顾女儿，说她已经可以原地旋转180度，也就是说头及脚的位置在睡觉的过程进行互换。