“第7族元素”的概念、定义、翻译、参考文献-科学参考

单词	第7族元素
释义	第7族元素 Chemistry ＞无机化学＞无机化学基本概念与无机化合物＞释义 Group 7 element第7族元素
随便看	universal morphism universal motor universal multiple-octet coded character set universal multiple-octet coded character set, UCS Universal Natural History and Theory of the Heavens universal negative proposition Universal Negro Improvement Association and African Communities League universalness universal normal algorithm universal object universal optical measurement instruments universal pair universal parabolic constant universal PCR universal periodic orbit sequence Universal Pictures Co. universal polar stereographic projection universal polynomial Universal Postal Congress universal postal service Universal Postal Union universal predicate universal principal bundle universal problem universal product

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。