长江三峡工程是目前世界上最大的水电工程。建成之后，它将创造几十个世界水电工程之最。第一，三峡工程是世界上防洪效益最大的水利枢纽。三峡工程预留221．5亿立方米防洪库容可削减洪峰流量达2．7万至3．3万立方米每秒，属世界水利工程之最。第二，三峡工程是世界上航运效益 The Three Gorges Project is the largest hydropower project in the world. When completed, it will create dozens of the world’s hydropower projects. First, the Three Gorges Project is the world’s most effective flood control project. The Three Gorges Project reserves 22.15 billion cubic meters of flood control storage capacity can reduce peak flow of 27,000 to 33,000 cubic meters per second, the world’s water conservancy projects. Second, the Three Gorges Project is the world’s shipping efficiency