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关注：1
2013-05-23 12:21
求翻译：Another mechanical method is the balance wheel mechanism. The balance wheel together with the balance spring (also known as Hairspring) - these form a simple harmonic oscillator, which controls the motion of the gear system of the watch in a manner analogous to the pendulum of a pendulum clock. This is possible because是什么意思？ 待解决
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- 离问题结束还有
Another mechanical method is the balance wheel mechanism. The balance wheel together with the balance spring (also known as Hairspring) - these form a simple harmonic oscillator, which controls the motion of the gear system of the watch in a manner analogous to the pendulum of a pendulum clock. This is possible because
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