“the oxygen group elements”的概念、定义、翻译、参考文献-科学参考

单词	the oxygen group elements
释义	the oxygen group elements Encyclopedia 理学氧族元素释 the oxygen group elements氧族元素包括氧、硫、硒、碲、钋、𫟷六个元素，属周期系ⅥA族。
随便看	precedence function precedence grammar precedence method precedence relation precedent anthologies precedent as reference in a trial preceding preceding limb preceding spot preceding sunspot Preceramic Period preceramic polymer precess precessing-disk model precession precessional constant precessional motion precession circle precession coefficient precession cone precession constant precession frequency precession globe precession in declination precession in latitude

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。