名词
中文翻译：Unknown
同义词：
['temporal average flow', 'temporal mean velocity', 'temporal mean speed']
例句：
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1. The river's annual temperature mean flow is 10 million cubic meters.
这条河流的年平均流量为1亿立方米。
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2.The team's performance in the past two seasons has been a time-averaged flow of success.
该队过去两个赛季的表现是成功的一种平均表现。
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3. The data shows that the mean flow rate of the river has increased by 5% over the past decade.
数据显示，过去十年里，河流的平均流速增加了5%。