“PI（profitability index）”概念、定义、翻译-科学时代

单词	PI（profitability index）
释义	请查阅PI--PI（profitability index）
随便看	host machine host material host medium host name host node host-parasite combination host plant host plant host plant host processor host range mutant host region host software host software host species host specificity host specificity host-specific pathogen host system host unreachable hot-air drier hot air heating system hot-air sausage cooking hot air shrinkage hot-air sterilization

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。