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ppb (parts per billion)
释义
ppb (parts per billion)
网络
十亿分之几
网络释义
1.
十亿分之几
化工设备常用词汇和缩写中英文... ... Posit Position 位置
ppb Parts per billion
十亿分之几
ppm Parts per million 百万分之几 ...
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例句
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Pleione scopulorum
Pleione scopulorum W.W.Smith
pleionexia
Pleione yunnanensis
Pleione yunnanensis Rolfe.
Pleione yunnanensis Rolfe
pleionomer
pleiopetaly
Pleiospilos
pleiosporous
pleiotaxy
pleiotomy
pleiotrophic
pleiotrophin
pleiotrophy
pleiotropia
pleiotropic
pleiotropic action
pleiotropic drug resistance
pleiotropic effects
pleiotropic gene
pleiotropic mutation
pleiotropism
pleiotropism
pleiotropy
英汉双解词典包含2704715条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。
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更新时间:2025/8/19 18:46:02