质心

质心 [zhì xīn]

1. ■ {力} barycenter; barycentre; centroid; center of mass

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常用词组

1. ■ 质心动量 barycentric momentum;

2. ■ 质心系 {物} center-of-mass frame;

3. ■ 质心系统 center-of-mass system;

4. ■ 质心系统角 centre-of-mass angle;

5. ■ 质心向量 centroid vector;

6. ■ 质心（轨道）要素 {天物} barycentric element;

7. ■ 质心主轴 centroidal principal axis;

8. ■ 质心坐标 center-of-mass coordinate;

9. ■ 质心坐标系 geocentric coordinate system