名词
中文翻译:平均速度
同义词:
['average speed', 'average velocity']
例句:
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1.The car's mean speed is 60 miles per hour.
这辆车的平均速度是每小时60英里。
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2.The train will reach its mean speed in two hours.
火车将在两小时内达到其平均速度。
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3.The team's mean speed was much faster than expected.
队伍的平均速度比预期的快得多。