This study investigates the regularity of the change on the physical and chemical water qualities in the distribution system during the process of water source switching in a city.
为了研究水源更换对给水管网水质的影响，对北方A市水源更换过程中管网水质理化指标进行了监测分析。
A solution process of the equation of Ekman drift motion in infinite deep sea is given in this paper. Furthermore, the regularity of vertical distribution of drift velocity is discussed.
本文给出了无限水深情况下漂流运动方程的求解过程，以及风海流速度垂直分布的规律性。
A solution process of the equation of Ekman drift motion in infinite deep sea is given in this paper. Furthermore, the regularity of vertical distribution of drift velocity is discussed.
本文给出了无限水深情况下漂流运动方程的求解过程，以及风海流速度垂直分布的规律性。
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