ppm

英['piːp'iː'em] 美['piːp'iː'em]
  • abbr. 每分钟页数(=pages per minute)
  • abbr. 百万分之 ... (=parts per million)
  • ppm abbr.每分钟页数(=pagesperminute)abbr.百万分之...(=partspermillion)
    abbr. (缩略词)
    1. =parts per million 百万分之...
    2. =pulse position modulation 脉波位置调变
    3. =pages per minute 每分钟页数

    ppm的相关资料:

1. The term parts per million ( ppm ) was widely used but frequently led to misinterpretation.
广泛使用百分之几 ( ppm ) 表示结果,但常常引起误解.

来自辞典例句

2. Note: PPM means part per million usually a measure of quality.
注: PPM是百万分之一件的缩写通常是质量的一种指标.

来自互联网

3. Objective : To study implement effect of PPM - tuberculosis control project in city.
目的: 探讨在城区实施PPM-DOTS项目的效果情况.

来自互联网

4. This article presents a class for using PPM to compress a file.
本文介绍了使用PPM的压缩文件一类.

来自互联网

5. Probabilistic Packet Marking ( PPM ) is an efficient and practical scheme.
概率包标记 ( PPM ) 是一种比较有效且实用的解决方法.

来自互联网