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中国测绘学会地图制图专业委员会于8月6日至8日在北京中国人民公安大学举办了专业委员会议暨学术研讨会。会议于8月6日组织全体
China Mapping Society mapping professional committee from August 6 to 8 at the Chinese People’s Public Security University in Beijing organized a committee of experts and academic seminars. The meeting was organized on August 6