Power companies always keep spare capacity and will keep their turbines spinning through this unpredictable fall in demand in preparation for when people turn their lights back on again.

电力公司总是保留一些备用发电能力，而在这用电需求突然下降的一个小时中，供电公司的涡轮发电机会继续工作，为一小时后的用电新高峰做准备。

You need to plop a coin in the Power-Piggy to activate electricity flow, so kids can use their allowance to turn on the TV or video games by feeding the Power-Hog with loose change.

只需朝电力小猪里仍一枚硬币，就能接通电流。孩子们用他们的零用钱“喂养”这只电力小猪，就可以看电视和玩电子游戏。

Electricity may make it possible to turn on the power plant's extensive cooling systems.

通电后核电厂的扩展冷却系统将有可能投入使用。

Gershenfeld, noting that maintaining that abstraction requires increasing amounts of power and complex programmning, wants to turn this on its head.

Gershenfeld指出，维持这种抽象要求不断增加的能力以及复杂的编程，要把这些装进它的脑袋。

You can either do this by holding down the PS button on the controller and then choosing Turn off the system, or by simply holding the power button down for five seconds.

您可以通过按控制器上的PS按钮然后选择Turn off the system来重新启动系统，或者通过按电源按钮5秒钟来重新启动系统。