Deposition of low dam seriously influences on diversion effect of water conservancy key project, reduces the ability of draining flight a flood in upper reaches of two Banks along river.

低坝淤积严重影响到枢纽工程的引水效果，降低了上游沿河两岸的抗洪排涝能力。

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According to the characteristics of gate-controlled project of Erhe River flood diversion, Two-stage Calculation Method for water diversion ratio is put forward.

针对入海水道分洪枢纽有闸控制的特点，提出了分流比的两段计算法。

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The Three Gorges Project will begin to pay dividends this year, playing an important role in flood control, power generation, navigation, water diversion and environmental protection.

三峡工程今年将开始盈利，并且会在在防洪、发电航运、分洪及环境治理方面起到举足轻重的作用。

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