英语词汇“ppm.”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	ppm.
释义	ppm. [医] 兆比率(百万分之几)
随便看	classroom information management Classroom Information System classroom instruction classroom interaction classroom journal classroom library classroom management classroom methodological conference classroom noise classroom observation classroom observation form classroom observation record classroom observation techniques classroom on wheels classroom participation classroom preference test classroom project classroom projects classroom record classroom register classroom research class-rooms classrooms classroom setting classroomsful 帆海者不知山，驾陆者不知水。帆迎山色来还去，橹破滩痕散复圆帆长摽越甸，壁冷挂吴刀。帆随湘转，望衡九面师不必贤于弟子师不必贤于弟子，弟子不必不如师师不掌教育，则解经之外，人之贤不贤，一不当知也。士不举德行，则执笔之余，身之善不善，一不足虑也。是则何补于事哉？师不正，徒乱行师严然后道尊。师严然后道尊，道尊然后民知敬学督察督导督工督师督战督抚督标督率督理督粮道