旋转极 xuánzhuǎnjí pole of rotation Definitions Defs Origin Strokes Stroke Words Sentences Sents 旋转极 旋轉極 xuánzhuǎnjí pole of rotation the point or axis around which an object rotates in a coordinate system or on a sphere
旋转极 旋轉極 xuánzhuǎnjí pole of rotation the point or axis around which an object rotates in a coordinate system or on a sphere
