梯级水电开发是指沿河流修建多级呈阶梯形的水电站，以充分利用该河流水能资源的开发方式。
调查了我国第一条全流域梯级水电开发的河流——猫跳河中梯级水库对磷的拦截效应。
The study investigated the phosphorus retention effects of cascade reservoirs of Maotiao River in summer, which had been entirely exploited by 1960s.
雅砻江流域梯级水电开发在我国西电东送和全国能源资源优化配置中将发挥重要的作用。
The hydropower development of Yalong river will play an important role in the implementation of "west power-to-east" strategy and the optimal allocation of energy resouces in China.
所有这些问题的存在，严重制约了黄河上游水电梯级滚动开发。
All the problems mentioned above, restrict the cascade development of Huanghe River's hydroelectric.
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