概述了全球水资源开发的主要成果,总结了世界各国水库运行的经验,阐明了当今世界筑坝技术发展的主要方向和趋势,研究了大坝溢洪道泄水能力不足问题的各种解决方法,介绍了水工建筑物的维修和改造问题,以及世界各国在工程设计、施工和运行期间确保水工建筑物安全的立法问题。 The main achievements of global water resources development are summarized. The experience of reservoir operation in various countries in the world is summarized. The main trends and trends in the development of dam technology in the world are expounded. Various solutions to the problem of inadequate drainage capacity of spillway in dam are introduced. The repair and reconstruction of hydraulic structures, as well as the legislative issues in various countries in the world to ensure the safety of hydraulic structures during the engineering design, construction and operation.