-
比方说，圆是中心对称的。
A circle, for example, is symmetrical under all rotations about the center of the circle.
youdao
-
研究中心对称平面三连杆的运动。
Center symmetry plane three connecting rod is studied.
youdao
-
研究中心对称平面三连杆的运动。
Center symmetry plane three connecting rod is studied.
youdao