“parts per hundred million(pphm)”的概念、定义、翻译、参考文献-科学参考

单词	parts per hundred million(pphm)
释义	parts per hundred million(pphm) 亿分率
随便看	filler plug filler plugs for trepanned holes filler point filler reinforcement filler reinforcement effect filler replacement filler reservoir filler retention filler ring filler rod filler sand filler seam filler specks filler thread filler type wire rope filler wad filler wall filler weld filler well filler wire Fillers theorem fillet fillet and groove joint filleted corner fillet gage

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。