Angular momentum: 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。

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Angular momentum: 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。

youdao