Based upon the principle of least resistance,the stream passing around the Jiuduan sandbank is studied theoretically and the formula for predicting the development of the bank is derived.
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释义
本文根据流体运动的最小阻力原理;研究了长江口九段沙的分流;导出了它发育长度的理论公式;这一公式的建立加深了对该河段河床演变规律的认识.
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