“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	second cementing interface second characteristic polynomial second class of ordinal numbers second comparison test second complementary law second component second conjugate space second contact second control second cosine formula second cosine theorem second cosmic velocity second countability axiom second countable space second countable topological space second Cousin problem Second creation second critical magnetic field second cultivated machinery second curvature second demographic transition second derivative second derivative test second derivative test discriminant second development

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。