ppm
音標發(fā)音
- 英式音標 ['pi:p'i:'em]
- 美式音標 ['pip'i'em]
基本解釋
- abbr. 每分鐘頁數(=pages per minute)
- abbr. 百萬分之 ... (=parts per million)
英漢例句
- The term parts per million ( ppm ) was widely used but frequently led to misinterpretation.
廣泛使用百分之幾 ( ppm ) 表示結果,但常常引起誤解. - Note: PPM means part per million usually a measure of quality.
注: PPM是百萬分之一件的縮寫通常是質量的一種指標. - Objective : To study implement effect of PPM - tuberculosis control project in city.
目的: 探討在城區(qū)實施PPM-DOTS項目的效果情況. - The term parts per million ( ppm ) was widely used but frequently led to misinterpretation.
廣泛使用百分之幾 ( ppm ) 表示結果,但常常引起誤解. - Note: PPM means part per million usually a measure of quality.
注: PPM是百萬分之一件的縮寫通常是質量的一種指標.
詞組短語
- Final PPM 作準備會;制作預備會;造預備會
- PPM Officer 項目采購管理專員
- MEHQ PPM 抑制劑;阻聚劑含量
- PPM PeriodicPermanentMagnet 周期永磁場
- AS ppm 作為頁
短語
英英字典
- abbreviation for parts per million (= a unit for measuring the amount of a substance that is mixed with a liquid or another substance)
- parts per million
劍橋英英字典
柯林斯英英字典
專業(yè)釋義
- 百萬分之一
- 脈位調制
- 脈位調變
- 脈波相位調變
- 脈波位置調變
- 百萬分之幾 (parts per million)
- 百萬分率
- 脈沖位置調制
- 脈沖相位調制
- 每分鐘列印頁數 (pages per minute)
- 頁／分
- 脈位調變 (pulse position modulation)
- 百萬分之幾