If you want to do explicit garbage collection to reduce your application footprint, attempt to implement it so that it is done under low-load conditions or at off-peak hours.

如果需要执行显式的垃圾收集来降低应用程序内存使用，那么尝试在低负载情况下或在非繁忙时刻实现垃圾收集。

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Use of these materials could shift heating or cooling load of power supply from peak period to off-peak period, lowering the cost of power supply for users.

运用这种相变储能建材，可将电力供给峰期时的加热或制冷负荷转移到谷期，使用户降低使用费用。

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Contractors can be used to off-load less interesting "commodity" or end-of-life work, or to handle peak loads.

承建商可用于卸载不感兴趣的“商品”或结束时的生活工作，或处理峰值负载。

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Or they may increase the efficiency of the grid by consuming off-peak load and pushing more kilowatt-hours over the same infrastructure.

FORBES: On The Verge of Change: A View of Our Future Energy World