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

单词	classification of thematic map elements
释义	classification of thematic map elements Encyclopedia 理学专题要素分类分级释 classification of thematic map elements专题要素分类分级在编制专题地图时，为了有效地描述专题要素的属性特征，将制图对象的大量实体或现象抽象概括成少量群类和等级，以揭示出物体、现象在地理空间上发展变化的定性和定量规律。
随便看	National Northwest Library National Northwest Union University National Nuclear Laboratory National Nuclear Safety Administration national nutrition week National Observatory of Athens national occupational health standard national occupational health standards national occupational health supervision and management system National Oceanic and Atmospheric Administration National Oceanic and Atmospheric Administration（US） National Oceanic Resource Management Authority National Oceanic Survey National Oceanography Centre National Office for Planning of Arts and Sciences national office for promoting the rise of central China National office of Water Conservation National Olympic Committees，NOC National Olympic Sports Centre National Open University Audio & Visual Press National Open University Press National Opera of Chile National Opera of Ukraine National Opera School National Optical Astronomy Observatory

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