本文从地图语言的角度，分析了构成地图符号的符号变量种类和功能。
In this article the category and the function of map symbol variables are analyzed from the point of view of map language.
地图符号作为一种具有特定意义的地图语言，在GIS系统中具有十分重要的意义。
Because there are different map symbols systems and interfaces in GIS softwares, between them the cartographic symbols cannot be shared.
通过基于计算机多媒体技术编制自然灾害地图的实践，给出了自然灾害多媒体地图语言系统。
Based on the practice of compilation of natural disaster map with computer multimedia technique, the language system for natural disaster multimedia map are proposed.
通过基于计算机多媒体技术编制自然灾害地图的实践，给出了自然灾害多媒体地图语言系统。
Based on the practice of compilation of natural disaster map with computer multimedia technique, the language system for natural disaster multimedia map are proposed.
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