“specification for topographic map symbols”的概念、定义、翻译、参考文献-科学参考

单词	specification for topographic map symbols
释义	specification for topographic map symbols Encyclopedia 工学地图设计文件释 specification for topographic map symbols地形图图式对地形图上表示地物、地貌符号和注记的基本要求，以及对使用这些符号和注记的原则和方法做出相应规定与说明的标准性文件。
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