“elementary substance”的概念、定义、翻译、参考文献-科学参考

单词	elementary substance
释义	elementary substance Encyclopedia 理学单质释 elementary substance单质由同种元素组成的纯净物质。 Chemistry ＞无机化学＞无机化学基本概念与无机化合物＞释义 elementary substance单质
随便看	population systems engineering population theories population theories of Keynes school population thought in ancient China population transition population type population uniform distribution population variance population viability analysis population vulnerability analyses population Ⅰ population Ⅰ object population Ⅰ star population Ⅱ population Ⅱ Cepheid Population Ⅱ main sequence population Ⅱ object population Ⅱ star population Ⅲ population Ⅲ star populism populism in literature Populist Party Populist's Economic Content and The Criticism by Mr.Struve in His Book Populus Deciduous Broadleaf Forest

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。