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地形图应用广泛,又需保密。叙述了地形图分幅与编号的基本原理,阐明了地形图图幅接合方法,提出了对地形图管理的基本方法。
Topographic maps are widely used, but also confidential. Describes the basic principle of topographic map and numbering, clarifies the joint method of topographic map map, and proposes the basic method of topographic map management.