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为了执行联合国开发计划暑对华援助项目“黄淮海平原浅层地下水资源评价”,我们干1982年11月至12月上半月去美国和日本进行地下水专业考察。考察的主要内容包括:包气带水的研究方法和仪器设备,数学模型和物理模拟在地下水资源评价中的应用,以及地下水人工补给等。在美国和日本的考察是由联合国技术合作发展部分别委托美国联邦地质调查所和日本
In order to implement the “China-US Summer Program” project on “assessment of shallow groundwater resources in the Huang-Huai-Hai Plain”, we went to the United States and Japan for professional groundwater surveys in November-December 1982. The main contents of the study include: research methods and equipment of aeration zone, application of mathematical model and physical simulation in groundwater resource assessment, and artificial recharge of groundwater. The inspection in the United States and Japan was entrusted by the United Nations Department of Technical Cooperation and Development respectively to the U.S. Federal Geological Survey and Japan