通用电气表示，他们成功地将发动机重量减轻了3%，约136千克，此举促使波音787世界首次使用合成陶瓷风扇机箱和涡轮叶片。

GE says it has shaved 136kg, or 3%, off the weight of an engine that propels the Boeing 787 using a ceramic-composites fan case and blade, a world first.

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物理地打扫一下电脑：路过当地的办公用品商店时，顺便买一罐压缩空气，用它清除一下电脑机箱里的积尘。特别是当你觉得精疲力尽的风扇声甚至盖过了正午的足球比赛时。

Physically clean the beast: Stop by the local office store, grab a can of compressed air, and clean out the "dust bunnies", especially if you can hear the exhaust fans over the mid-day football.

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可能出现的共模电流(ICM)从电压表的输入低端流到仪器的机箱公共端，经过大地再流到电压源的地。

Any common-mode current (ICM) that may be present flows from the voltmeter input lo to instrument chassis common, through earth ground to voltage source ground.

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