“转化”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	转化
释义	请查阅变换--转化
随便看	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) PPI (pixels per inch) PPI (pixels per inch) PPI (policy proof of interest) PPI--PPI (pixels per inch) PPI--PPI (pixels per inch) PPI--PPI (producer price index) PPI (producer price index) PPI (producer price index) PPI (producer price index) PPI（policy proof of interest） PPLC (photoresponsive polymer liquid crystal)