Passive magnetic bearings are cheap but not controllable.

被动磁力轴承造价低廉，但是不可控。

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This modulation method effectively solves the problem of output voltage is not controllable with light load and no-load by the introduction of feedback mechanism to it.

该调制方法引入了负载反馈机制，有效解决了轻载和空载输出电压不可控的问题。

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Sudden news of a loss creates emotions that may not be controllable, which is a potential problem in what is supposed to be a controlled environment.

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The pages have sponsors, but whether viewers use the Social Media augmentation is secondary and, yet again, not all that controllable.

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