When she draws her arms inwards, that distribution is reduced, so her speed must pick up to counteract this difference and keep her total momentum constant.

当收起双臂时，分布空间减少，于是其速度一定会加快以弥补差异，从而保持总动量不变。

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The amount of angular momentum, say, a spinning skater has depends on both the speed of rotation, and the weight and distribution of mass around the center.

角动量的大小，取决于旋转中的滑冰选手的旋转速度、体重和绕旋转中心的质量分布。

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Based on the limited momentum propagation velocity, this paper presents the solution of the transient momentum equation by Laplace transform. The distribution functions of velocity and eddy are given.

在考虑瞬态过程中动量扩散速度基础上，用拉普拉斯变换法对无限长平板突然起动瞬态动量定解方程进行了求解，并按涡量定义求出涡量分布函数。

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Coke is positioning itself for faster momentum post-1998 with enormous investment in distribution infrastructure worldwide.

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