“百万分率”概念、定义、翻译-科学时代

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。

单词	百万分率
释义	请查阅百万分之--百万分率
随便看	convection recuperator convective acceleration convective boundary layer convective cell convective change convective circulation convective cloud convective condensation level convective cooling convective derivative convective diffusion convective envelope convective heat flow convective heat transfer convective heat transfer convective heat transfer coefficient convective hydrothermal system convective mixing convective mixing convective precipitation convective refraction convective region convective region convective term convective thunderstorm