In motions of rotation angular momentum appears in much the same way as linear momentum appears in motion of translation.

在旋转运动中的角动量产生的方式与平移运动中的线动量的产生是基本相似的。

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The researchers calculated how this would affect the rotation rate of the whole planet, which would compensate to conserve angular momentum.

研究人员计算出这会怎样影响整个地球自转速度，这有助于保持角动量守恒。

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This quick rotation powered a strong magnetic field, which heated the sun’s atmosphere and carried away mass and angular momentum in a strong solar wind of charged particles.

这个磁场加热了太阳的大气层并且带走了由带电粒子（charged particle）组成的强大太阳风的质量（mass）和角动量（angularmomentum）。

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The Amercian men then built on their momentum when they took the high bar, where a spectacular one-handed swinging rotation by Justin Spring had American fans chanting.

CNN: China secure men's gymnastics victory