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地质部水文地质工程地质局所主编的三百万分之一中国水文地质分区图,自从55年着手编制以来,在各生产部门以及有关院校的大力支援,和苏联专家的指导下,已于56年度顺利完成初稿。全国计被划分为下列六个大区:(1)常年冻土带南部的水文地质区,(2)中国东部季节风影响下形成的水文地质区,(3)在内陆干旱气候影响下形成的沙漠与干旱
The hydro-geological zoning map of China, one of the three millionth, compiled by the Bureau of Geology, Geology, Geology, Geology and Geology, has been under preparation since 55 years. With the strong support of various production departments and relevant institutions and the guidance of Soviet experts, Successful completion of the first draft of the year. The national plan is divided into the following six regions: (1) the hydrogeological zone in the south of the perennial tundra, (2) the hydrogeological zone formed under the influence of the seasonal wind in eastern China, (3) the formation under the influence of the inland arid climate Desert and drought