part per million翻译
part per million的基本解释
读音: 美: 英:
百万分之一:表示部分与整体的关系的一种比例,是不带计量单位的分数。
例句
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。The process USES small amounts of the naturally occurring mineral to increase concentrations to no more than one part per million typically.这一过程应用了少量的自然出现的矿物质去增加浓度,不超过百万分之一。
The agency said it had determined that levels of melamine or one of its related compounds, alone, below 1 part per million in infant formula were not a concern.这个机构说,它已作出结论,婴儿配方食品中含有低于百万分之一的三聚氰胺或其中任何一种与其相关的化合物无需担心。
短语
PPM part per million 百万分之 ; 百万分之一 ; 百万分率Defects part per million 每百万缺点数
DPPM Defective part per million 根据一百万件所生产的产品来计算不良品的标准
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纠错
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