“ethnic groups map”的概念、定义、翻译、参考文献-科学参考

单词	ethnic groups map
释义	ethnic groups map Encyclopedia 理学民族地图释 ethnic groups map民族地图反映各民族的起源、发展、构成、地域分布，以及民族社会和民族生存环境的各类地图的泛称。
随便看	meander line mean deviation mean diameter mean difference mean distribution mean diurnal motion mean earth ellipsoid mean ecliptic sun mean electron concentration mean element mean entropy mean enveloping surface mean epoch mean equator mean equatorial sun mean equinox mean ergodic theorem mean-ergodic theorem mean error mean evolute mean extinction coefficient mean fiber length mean fictitious clock mean field mean field approach

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。