英语词汇“part per billion(ppb)”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	part per billion(ppb)
释义	part per billion(ppb) 十亿分之一
随便看	angular error signal angular excess angular excess of a small geodesic triangle angular extent angular extropolation light-seat-tering method angular (extruder) head angular factor angular field angular field of view angular field-of-view angular filter function angular fistula angular flux angular flux density angular focusing angular fold angular folds angular force angular forceps angular forward intersection angular fracture angular freedom angular frequency angular-frequency angular frequency of atomic precession 543534 5435451 544 544134 544251214 54511534 5452 545213234 54523 545231211 抬阁抬高抱抱不平抱佛脚抱关击柝抱养抱冤抱冰抱厦