以下为句子列表：
英文: A unit of electric power equal to the work done by one kilowatt acting for one hour.
中文: 千瓦－小时电功率的单位，等于在一千瓦功率下一小时内消耗的功
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英文: The Xinhua news agency says the 700-thousand-kilowatt turbine began generating electricity this (Monday) morning.
中文: 中国官方的新华社报导说，这台70万千瓦的水轮发电机组是星期一上午开始发电的。
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英文: The price of wind power has fallen from $2 per kilowatt hour in the 1970s to 5-8 cents now, compared with 2-4 cents for coal-fired power.
中文: 风能电的价格也从1970年代的每瓦特2美元降至如今的5-8美分，而煤电也不过2-4美分。
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