可以利用已有的基于单一比例尺的GIS数据库中的基础地理数据，通过自动制图综合生成多比例尺数据。
Can utilize the geographical data of foundation in existing GIS database based on single scale, produce mult-scale data synthetically through automatic cartographic generalization.
技术制图。几何形位公差的符号。比例和尺寸。
Technical drawings. Symbols for geometrical tolerancing. Proportions and dimensions.
在没有农村地籍相关数据库标准和制图规范的情况下，通过多次试验，完成了1∶2000比例尺农村地籍图成图规范编制的建议。
Without criterion of relative rural cadastral database and mapping, though many tests, rural cadastral mapping criterion of 1:2000 finally has been worked out.
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