In this paper, a close-cycle shaker control method, which is realized by using a two-channel FFT analyzer and a PC, is studied.

本文研究了一种利用双通道FFT分析仪和PC机实现激振器闭环控制的方法。

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The basis for selecting the reasonable temperature difference at the hot end of the first main heat exchanger of close-cycle 4.4K refrigerator is provided.

将其测试结果与模拟试验结果进行了比较，为闭式循环4.4K制冷机的第一级主换热器的热端温差的合理选取提供了依据。

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And then we're going to close the cycle.

然后我们让循环闭合。

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Then, on Nov. 1, his couch-potato sabbatical will draw to a close, as it does every fall, and another 11-month training cycle will begin anew.

WSJ: The Secret to Running: Not Running

Since we are close to the 2014 election cycle, more muddle-through is likely.

FORBES: Brazil's Strengthening Currency Poses Competition Problem

Stock markets sold off, a Credit Suisse report concluded that the commodity super-cycle underpinned by China has drawn to a close, and economists worried about the implications for the already slow economic recovery in the United States.

FORBES: Premier Wen: A Warning Or Managing Expectations?