Wind turbines off US coastlines could potentially supply more than enough electricity to meet the country's current electricity demand, the US interior department reported today.

美国内务部今天报告称，在美国海岸线设置风力发电机可以长期提供超过国家目前电力需求的电能。

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The energy captured by space-basedphotovoltaic arrays would be converted into microwaves for transmissionto Earth, where it would be transformed into direct-current electricity.

空间光电池阵列所收集到的电力将在转换成微波后发射到地球，再在地面上转换成直流电。

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Do you have a current electricity or gas bill in your name?

您有没有在您名下的电费或天然气账单？

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Even Thomas Edison bet badly, as in his development of direct-current electricity that proved inferior to alternating current.

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Although there are easily enough dammable rivers to double the current electricity supply, many of the best sites are in remote Amazonia.

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One can draw the analogy with current electricity and running-water systems, where end-users can use services from providers with ease, without being concerned with the technical complexity behind those systems.

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