The reliability analysis on capacity of a trapezoidal open channel which with its upstream weir of sluices is taken to be a series connecting hydraulic system is given in this paper.

本文将明渠及其上游的堰闸视为一个水力系统，然后研究梯形断面明渠过流能力的可靠性。

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Some of the Dutch works are permanent dijks, but others are open sluices that merely shut when storms are coming to block surges.

FORBES: A Dutch Solution for New York's Storm Surge Woes?