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由中国科学院资源与环境信息系统国家重点实验室主办,国家自然科学基金委员会、中国地理学会、中国国家遥感中心、中国科学院自然与社会发展协调局、武汉测绘科技大学遥感测绘信息工程国家实验室、美国国家地理信息分析中心、中国海外地理信息系统协会共同发起的第三届北京国际地理信息系统学术讨论会(IWGIS)于1993年8月19日至22日在北京举行。来自美国、德国、英国、加拿大、澳大利亚、
Sponsored by the State Key Laboratory of Resources and Environment Information System, Chinese Academy of Sciences, National Natural Science Foundation of China, Geographical Society of China, China National Remote Sensing Center, Coordination Bureau of Natural and Social Development, Chinese Academy of Sciences, National Laboratory of Remote Sensing Information Engineering of Wuhan University of Surveying and Mapping, The 3rd Beijing International Geographic Information System Symposium (IWGIS) co-sponsored by the National Geographic Information Analysis Center of the United States and China Overseas Geographic Information System Association was held in Beijing from August 19 to 22, 1993. From the United States, Germany, Britain, Canada, Australia,