Optional internal cooling systems dramatically reduce cooling times, shortening total cycle time and maximizing furnace usage.

可选的内部冷却系统，大大减少冷却时间，缩短整体循环时间，最大化熔炉使用效率。

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If the variation is acceptable and you would like a shorter total cycle time, then reduce the equilibration time, perhaps to 10 min, and repeat the experiment.

如果变化可以接受而且你就希望缩短分析的总时间，那就可以减少平衡时间，比如10分钟，再重复试验。

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The total energy reaching Earth from the sun rises and falls by just one tenth of one percent across this solar cycle.

VOA: special.2009.09.29

Although this may look paltry in comparison to the total carbon cycle, it is probably enough to upset such a finely tuned system.

ECONOMIST: Two new satellites will monitor carbon dioxide emissions

The percentage of the total vote cast by whites will fall about 2% every presidential cycle.

FORBES: Congrats On Your Vote, Too Bad It Probably Didn't Count

In almost every similar cycle, when an economic boom turns to bust, the total debt outstanding exceeds the amount of money available to pay for it.

FORBES: Connect