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一、一般情况水文学迭门科学和国家水文研究机构出发展经验证明:全面发展水文学的三个方向——即工程方向、地理方向和地球物理方向才是最合理的道路。地球物理方向研究个别水文过程;地理方向从地理环境相互联系研究自然水在全国和省的范围内的一般情;工程方向使用上述两个方向的资料,同时补充以大量的、主要是水文测验调查资料,以便为水利措施和个别水工建筑物的设计提供具有充分根据的材料。
First, the general situation Hydrographic Diego Science and National Hydrological Research Institute out of experience in the development of proven that: the full development of hydrology in the three directions - that is, engineering direction, geophysical direction and geophysical direction is the most reasonable way. Geophysical direction studies of individual hydrological processes; Geographic orientation studies the general situation of natural waters within the national and provincial contexts from the geographical context; Engineering directions use data from both directions above, supplemented by a large number of mainly hydrographic survey surveys Information in order to provide well-founded material for the design of hydraulic structures and individual hydraulic structures.