All of this will be a moot point once the robot armies rise to power and start pulverizing each other with scrap metal.

一旦机器人军队掌权并开始用废金属互相摧毁，所有这些都将成为争论点。

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What's more, it's cheaper and requires less processing power than the metal hands typically used in robots.

更厉害的是，它价格更低，且比那些常用于机器人的金属手臂需要的处理电力更少。

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Clothing scorched, ears ringing, Jack stumbled to his feet and lunged forward. He slammed his back against the power shed's metal door - still hot from the blast.

杰克的衣服都被烤焦了，耳朵里嗡嗡作响，他跌跌撞撞地站起来往前冲出，直到后背重重撞上配电房的金属门——那扇门被爆炸的气浪熏灸后还是热的。

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These dams, which produce one-third of the hydroelectric power in the United States, attracted the power-hungry aluminium plants that supplied metal for Boeing's aircraft production in the second world war and afterwards.

ECONOMIST: Water in the West (2)

The World Coal Association (WCA), a trade body for the industry, said that burning coal account for about 24% of global mercury emissions and the use of "adequate technologies" could reduce emissions of the metal from coal-fired power stations by up to 90%.

BBC: Nations agree on legally binding mercury rules

Its nickel metal hydride battery provides small bursts of power in stop-and-go traffic.

FORBES: Magazine Article