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[托福写作] 托福写作素材:科技类写作素材

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发表于 2016-5-9 13:56:29 | 显示全部楼层 |阅读模式
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Electronics has already cut the data cord. Can it now cut the power cord as well?
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电源线会和数据线一样慢慢消失吗?

Jun 27th 2015 | Seattle | From the print edition

Wireless Power-transmission

DRONES may one day transform the way parcels are delivered, crops monitored and suspects apprehended. Those who talk up these possibilities, though, often neglect to mention the drawbacks of such robot aircraft—one of which is that most cannot fly for more than a quarter of an hour before they need to find a human being to swap their batteries for them or plug them into an electrical socket.

无人机没准儿有一天会给我们生活的方方面面都带来巨大的改变,无论是包裹投递,还是农作物监控,甚至是抓捕嫌犯。然而大谈特谈这些可能性的人们却忽略了无人驾驶飞机的弊端,其中一个就是他们需要定期的由人来更换电池或者充电。

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事实上,无线充电这个想法本身是比较老的,1893年大神特斯拉就提出了一个非常牛逼的想法:通过塔和气球在全球传播能量,还赢得了摩根的投资。读了