英语词汇parts per billion (ppb)怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	parts per billion (ppb)
释义	parts per billion (ppb) 翻译十亿分之一(ppb) 以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译网络释义短语 1 ppb parts per billion 十亿分之几双语例句 1 The Breast Cancer Fund collected 2 samples of 6 different types of food marketed to children, and found levels of BPA ranging from 21 parts per billion (PPB) to 77.5 PPB, with an average of 49 PPB. 乳腺癌基金会选取了六种面向儿童市场的食物，并各抽取了两个样本进行研究。研究结果发现这些食物中双酚含量范围为十亿分之二十一到十亿分之七十七点五，平均含量为十亿分之四十九。
随便看	transport coefficient transport coefficients transport combine Transport Combine de Merchandises transport combined merchandise transport command transport committee transport community transport company transport competition transport concentration transport condition transport conductors transport connection transport connection endpoint identifier transport connection, TC transport container transport-container-ship transport contract transport contractor transport contract system transport control transport control block transport control center transport controller

英汉双解词典包含3185865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。