“专题要素分类分级”的概念、定义、翻译、参考文献-科学参考

单词	专题要素分类分级
释义	专题要素分类分级 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	partial derivatives of higher orders partial derived functor partial diallel mating design partial difference partial difference equation partial difference quotient partial differential partial differential coefficient partial differential-difference equation partial differential equation partial-differential-equation design method partial differential equation method partial differential equation of elliptic type partial differential equation of first order partial differential equation of higher order partial differential equation of hyperbolic type partial differential equation of Kovalevskaya type partial differential equation of mixed type partial differential equation of parabolic type partial differential equation of second order partial differential equation on a manifold partial differential equation surfaces partial differential equation [system] of Kovalevskaya type partial differential equation system of Kovalevskaya type partial differential field

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。