同义词
1)polar meteorologist,极地气象学家 PM2)posidonia meadows Posidonia oceanica,草地 PM3)atmospheric particulate matter(PM),大气颗粒物(PM)4)photochemical model,光化学模型 PM5)iterative Request-Grant-based Round-Robin with Packet Mode (iRGRR/PM),iRGRR/PM6)ISBD (PM),ISBD(PM)
