“民族地理指数”的概念、定义、翻译、参考文献-科学参考

单词	民族地理指数
释义	民族地理指数 Encyclopedia 理学民族地理指数释 geographic index of ethnicity 民族地理指数用于定量描述和测度民族地域系统状况及其演进过程，并以此进行评价的指标。
随便看	constant region constant release constant sale books constant sheaf constant species constant specific mass flow pattern constant speed constant frequency constant speed drive unit constant-speed mercury intrusion constant speed motor/generator constant stratum constant stress test constant sum game constant-sum game constant surface constant symbol constant temperature and constant pressure MD constant temperature and humidity air conditioner constant temperature and humidity air-conditioning system constant temperature atomization constant-temperature incubator constant-temperature interface constant temperature MD constant term constant-term conjecture

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。