For example, no matter how much a dancer wishes to leap off the floor and then start turning, the law of conservation of angular momentum absolutely prevents such a movement.

例如，无论一个舞者多么想要跳离地板，然后开始旋转，角动量守恒定律绝对阻止这样的动作。

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The law of conservation of angular momentum may be demonstrated with a gyroscope.

角动量守恒定律，可以用回转器来演示。

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This paper analyzes and discusses specific application of the conservation law of angular momentum in competitive sports, such as aerial tumbling, trunk rotation and somersault.

分析讨论了角动量守恒定律在空翻、转体以及旋空翻等竞技动作中的具体应用。

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