“ratio of operation expense to sales”概念、定义、翻译-科学时代

单词	ratio of operation expense to sales
释义	市场营销词汇手册 ratio of operation expense to sales 营业费用
随便看	modelling tool modelling wax model management language model manipulation language model minority mode-locked dual-polarization operation mode locked laser mode-locked laser mode-locked neodymium-doped glass laser mode-locked state mode-locking mode-locking by amplitude modulation mode-locking by frequency modulation mode-locking frequency doubler model of a poster model of a syndrome model of cartridge model of cosmos model of designated cities model of document structure model of electron weak interaction model of epidemiological transition model of fit model of human interaction in teaching model of information evaluation

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。

ratio of operation expense to sales