“民族地域系统”的概念、定义、翻译、参考文献-科学参考

单词	民族地域系统
释义	民族地域系统 Encyclopedia 理学民族地域系统释 terrestrial system of ethnicity 民族地域系统在某一民族地域范围内，各地理要素之间或同一民族不同级次之间相互联系、相互作用所形成的，具有一定结构和功能的系统。
随便看	operator identity operator index operator inequality operator-irreducible representation operator-isomorphic operator isomorphism operator isomorphy operator loop operator mean operator method operator module operator monotone operator norm operator object operator of best approximation operator of finite rank operator of finite trace operator of Fourier type operator of fractional power operator of left translation operator of mass operator of multiplication operator of nonprincipal type operator of nuclear class operator of potential type

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。