英文单词大全
concentration of matter
物质浓度
相似词语短语concentration of power───集权;权力集中
concentration───n.浓度;集中;浓缩;专心;集合
extirpation of matter───物质消灭
matter of fact───n.事实;实际上,其实
matter of factly───实事求是
phases of matter───物质的相态
classes of matter───物质种类
classification of matter───物质分类
matter-of-fact───adj.实事求是的;讲求实际的;不带感情的;平淡的
双语使用场景Air quality is represented by annual mean concentration of fine particulate matter (PM10 and PM2.5, i.e. particles smaller than 10 or 2.5 microns).───空气质量用年平均细颗粒物的浓度表示(PM 10至PM 2.5,即粒径小于等于10或2.5微米的细颗粒)。
Most astrophysicists accept that this is the case, since according to general relativity, any concentration of matter of sufficient density must necessarily collapse into a black hole.───大多数天体物理学家接受这个情形,自从依照广义相对论,充份密度物质任何集中一定必然坍缩为一个黑洞。
But why does this growing concentration of income and wealth in a few hands matter?───然而,为什么说收入及财富越来越集中于少数一些人手上意义重大?
英语使用场景 concentration of matter