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	higher commutator higher composition of capital higher consciousness higher-cost higher-costs higher court higher credit tranche higher critic higher critical speed higher critical velocity higher criticism higher criticisms higher curvature higher cut-off frequency higher cut off frequency higher deck higher degree higher-degree polynomial higher density higher-density higher derivative higher diene higher difference higher-difference higher differentiation 相得益章相忍为国相忘形骸相惊伯有相持不下相提并论相敬如宾相时而动相映成趣相机而动船蛆船行船货船费船资船跳板船身船边交船边交货船运