“quadravalence”概念、定义、翻译-科学时代

单词	quadravalence
释义	工程与技术词汇手册 quadravalence 四价
随便看	panoramic camera panoramic camera panoramic distortion panoramic distortion panoramic distortion panoramic film panoramic head panoramic head panoramic method panoramic photography panoramic photography panoramic photography panoramic projection panoramic radar panoramic receiver panoramic receiver panoramic reconnaissance receiver panoramic screen panoramic screen panoramic shooting panoramic television panoramic view panoramic view panoramic view panoramic view

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

quadravalence