Its primary advantage is that the life expectancy of the switches is much greater than with hot switching.

其主要优点是开关的预期寿命比热切换长得多。

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With relatively large relays, it is even possible that hot switching must be used to ensure good contact closure.

对于相对较大的继电器，为了确保触点良好闭合，也可能必须采用热切换。

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In addition, this section discusses issues such as calculating uncertainties, techniques for minimizing switching time, and the use of cold vs. hot switching.

此外，本章还讨论计算不确定度、最小化开关时间的技术，以及冷切换和热切换的对比。

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Although Monsanto has promised to put its terminator-gene system in deep-freeze, the molecular switching that underlies it remains a hot topic at many of the world's leading agri-biotechnology firms.

ECONOMIST: Terminator genes