“the classification of thematic map elements”的概念、定义、翻译、参考文献-科学参考

单词	the classification of thematic map elements
释义	the classification of thematic map elements Encyclopedia 工学专题地图内容设计释 the classification of thematic map elements专题地图要素分类分级为了有效地描述和详细表示地图专题要素的属性特征，将大量的实体或现象抽象概括成少量群类，以揭示出物体和现象在地理空间上的发展和变化规律。
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