“off-rating”概念、定义、翻译-科学时代

单词	off-rating
释义	交通运输工程词汇手册 off-rating 不正常条件，不正常状态
随便看	ppd.--ppd. (prepaid) PPD--PPD (principle of professional development) PPD (predicted percentage dissatisfied) ppd. (prepaid) PPD (principle of professional development) PPE PPE (performance planning and evaluation) PPE (performance planning and evaluation) PPE (polyphenylene ether) PPE--PPE (performance planning and evaluation) PPE （Philosophy，Politics and Economics） PPF PPF PPF--PPF (production possibility frontier) PPF--PPF（photosynthetic photon flux） PPF (production possibility frontier) PPF (project preparation facility) PPF（photosynthetic photon flux） PPG PPG玻璃纤维和纱 P-phonogram PPI PPI PPI PPI (pay-per-impression)

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。