| 释义 |
angular momentumn.（名词）- The vector product of the position vector (from a reference point) and the linear momentum of a particle.角动量：（有参照点）的矢量和粒子线性动量的向量积
- The vector sum of the angular momentums of each component particle of an extended body.动量矩：伸展体的每个组成微粒的角动量的矢量值
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