据北京市区划办公室统计,北京市郊区有冷水水源53处,总流量每秒3立方米.这些水源除引为农田灌溉之外,尚潜在巨大生产力亟待开发,为了发展北京市水产事业并使京郊丰富的冷水资源得以充分利用,经1984年至1986年3年的努力,我们先后协助郊区县设计和兴建虹鳟鱼养殖场9处,建造水泥池12853平方米,总水源的利用率达65%. According to the statistics of Beijing’s Zoning Office, there are 53 cold water sources in the suburbs of Beijing, with a total flow of 3 cubic meters per second. In addition to the introduction of irrigation as a farmland, huge potential productivity remains to be developed. In order to develop Beijing’s aquatic products business and make Beijing We have made full use of the abundant cold water resources in the suburbs. After three years of 1984 to 1986, we have successively assisted the suburban counties in the design and construction of 9 rainbow trout farms, constructed 12,853 square meters of cement ponds and utilized 65% of the total water resources. .