以下为句子列表：
英文: 390 The TG70 steam turbine has a operation speed of 9600 rotations per minute (RPM).
中文: TG70型蒸汽透平的运转速度为每分钟9600转。
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英文: Crop rotations without addition of fertilizers help maintain soil organic carbon and N levels, but do not maintain high productivity levels.
中文: 不施肥的作物轮作有助于维持土壤有机碳和氮水平，但不能维持高生产力水平。
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英文: Defense Secretary Donald Rumsfeld approved a request from the top U.S. commander in Iraq to extend the rotations of more than 10,000 American troops in the country, while at the same time ordering the deployment of an additional 1500 active duty soldiers.
中文: 国防部长拉姆斯菲尔德批准了驻伊拉克美军最高指挥官的要求，把1万多名目前驻扎在伊拉克的美国部队的轮调期延长，同时下令向伊拉克增派1千5百名现役军人。
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英文: In particular, the brothers needed some way to govern rolling motions—rotations about a plane's longitudinal axis.
中文: 莱特兄弟尤其需要找出方法来控制滚转，也就是以飞机机身为轴的旋转动作。
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英文: It is a mixer exclusive use for urethane foaming and the wash valve attached in it makes possible to wash it automatically . possible to install a motor of 5000 RPM at maximum and available to regulate the motor rotations as you need .
中文: 这种混合器是唯一应用于发泡聚氨酯和连接自动清洗真空管，可能安装马达最大转速5000RPM，也可以按照您的需要控制转速。
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