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什么是环流？

时间：2021-12-29 00:34 关键词：动力气象学农学

答案解析

<p> 流场中某一有向闭合物质曲线上的速度切向分量沿该闭合物质曲线的线积分，定义为速度环流，或简称为环流。</p>

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