To determine map content is the first work for thematic map design.
确定专题地图的内容是专题地图设计的一项首要工作。
Spatial information technology can be applied to the whole process of conservation planning including current condition survey, data analysis, thematic map design, etc.
空间信息技术可以系统地运用于名城保护规划的现状调查、数据分析和专题图设计的全过程中。
The relationship between map element and map symbol, which is the important key link of Thematic Map Design Expert System and the basis of map symbol design, has always been ignored.
地图要素与地图符号类型之间的关系长期被人们忽略。但它确是专题地图设计专家系统中不可缺少的重要环节，是地图符号设计的基础。
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