英语词汇sigma unit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	sigma unit
释义	sigma unit 简明释义西格马单位网络释义 1 ?西格马单位 ... sigma matrix 骨架的中子俘获截面 sigma unit 西格马单位 sigma water 水中子俘获截面 ... 2 ?标准差单位 ... 收缩估计量 shrinkage estimators 疾病调查 sickness survey 标准差单位 sigma unit ... 权威例句 1. Ford Hickson, a senior research fellow with the University of Portsmouth's Sigma Research unit, says HIV prevention over the past 20 years has taken a singular route - safe sex, and reducing exposure . BBC: NEWS \| UK \| Magazine \| 'Morning-after' pills for HIV?
随便看	snowpack water equivalent snow panther snow park snowpark snow park snow-patch snowpatch snow patch erosion snow-patch erosion snow patch vegetation snow pea snow pea snowpea snow pear snow pear snow peas snow pea with preserved vegetable snow pellet snow pellets snow pellets soft hail snowperson snowperson snow petrel snow pillow snowpit

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。