名词
中文翻译：次级流
同义词：
['subordinate flow', 'secondary circulation']
例句：
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1.The water in the river is being diverted to create a secondary flow forirrigation purposes.
河水正在被引走，用于灌溉目的，形成了次级流。
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2. Thescientists found that the secondary flowof heat from the sun can significantlyaffect the temperature of the Earth'ssurface.
科学家们发现，太阳的次级热流可以显著影响地球表面的温度。
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3.The engineer designed a system to control thesecondary flow of oil and gas through thepipeline network.
工程师设计了一个系统来控制石油和天然气通过管道网络的次级流动。