动量（Momentum）又称线性动量（Linear Momentum）。在经典力学中，动量（是指国际单位制中的单位为kg·m/s ，量纲MLT⁻¹）表示为 物体的质量和速度的乘积，是与物体的质量和速度相...
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我们对确定场传递给电子的线性动量的大小感兴趣。
We are interested in determining the amount of linear momentum delivered to the electron by the field.
角动量：(有参照点)的矢量和粒子线性动量的向量积。
Angular momentum: the vector product of the position vector (from a reference point) and the linear momentum of a particle.
正如线性动量是质量和速度乘积一样，物体角动量也定义为其惯性矩和角速度的乘积。
Just as linear momentum is the product of mass and velocity, so the angular momentum of a body is defined as the product of its moment of inertia and its angular velocity.
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