英语词汇sub-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	sub-ppb
释义	sub-ppb 简明释义十亿分之一以下网络释义 1 ?低于10 低于10-9的
随便看	parallel plane grinding machine parallel plane polariscope parallel planer parallel planes parallel planetary gear parallel planing machine parallel plastometer parallel-plat dialyze parallel plat dialyze parallel-plate parallel plate parallelplate parallel-plate capacitor parallel plate capacitor parallel-plate chamber parallel plate chamber parallel plate channel parallel plate condenser parallel-plate condenser parallel-plate counter parallel plate counter parallel plate dialyzer parallel-plate dialyzer parallel-plate discharge parallel plate domain structure

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。