英语词汇“十亿分之一 (10-9)”的翻译、意思、用法、释义-英汉汉英词典

单词	十亿分之一 (10-9)
释义	十亿分之一 (10-9)ppb (part per billion)
随便看	flood lubricated bearing flood-lubricated bearing flood lubrication flood mark flood-mark floodmark flood marks flood, maximum flood of melted snow floodometer flood on tracks flood open flood opening flood out flood out of flood peak flood period flood plain floodplain flood plain forest flood-plain lobe floodplain lobe flood plain meadow flood-plain meander scar floodplain meander scar