今年的十月一日,是中华人民共和国成立三十五周年纪念日。为了庆祝这个光辉的节日,总结三十五年来水利水电的建设成就,本刊这一期刊登了一组我国老一辈水利水电工作者的文章和一组回顾与展望的文章,以飨读者。三十五年来,我国水利水电事业取得了很大的成就。在水利方面,全国现有堤防约17万公里,各类水库86,000多座,塘坝620万处,总库容4,400亿立方米,大中小型 October 1 this year marks the 35th anniversary of the founding of the People’s Republic of China. In order to celebrate this glorious festival and summarize the achievement of water conservancy and hydropower since its establishment in thirty-five years, this issue of this issue has published a series of articles reviewed by the older generation of hydropower and hydropower workers and a series of articles reviewed and prospected to readers. In the past 35 years, great achievements have been made in the cause of water conservancy and hydropower in our country. In terms of water conservancy, there are about 170,000 embankments in the country, more than 86,000 reservoirs of various types and 6.2 million ponds with a total storage capacity of 440 billion cubic meters. Large, medium and small sized