“ethnic language geography”的概念、定义、翻译、参考文献-科学参考

单词	ethnic language geography
释义	ethnic language geography Encyclopedia 理学民族语言地理释 ethnic language geography 民族语言地理研究民族语言的地理分布特征，探索民族语言发展和演化规律的学科。
随便看	sum of squares function sum of squares of residues sum of squares within classes sum of submodules sum of subspaces sum of the digits sum of vectors sum operator sum over state sum over states sump sump level control for hydrocyclone feeding process sum-product number sumption sum relation sum rule sum rules sum sequence sum series sum-set sum-set axiom sum spectrum SUMT sum term sum test

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。