In the kinematics, may regard the rigid body plane motion does along with the basic point stable motion and the basic point axis rotation which designated willfully.是什么意思_In the kinematics, may regard the rigid body plane motion does along with the basic point stable motion and the basic point axis rotation which designated willfully.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句