GMAT 问两道SC1,{Originally developed for detecting air pollutants, a technique called proton-induced x-ray emission, which can quickly analyze the chemical elements in almost any substance without destroying it,} is finding uses in medicine, a

来源:学生作业帮助网 编辑:作业帮 时间:2024/09/13 13:23:21
xVOGWH$brLUPR{zvzٝ5qNk];VEӝowc DU#v{ϛ(hγ]>=N424O54 X O# f #E 9 1=c)7fYfͪLQaZLZJS$TȡNHFJ #e)`_Vڄ EL/;h ˤQ,0'ৣrO`gb,ӣx$gkD{qQI> 0HiLb餮A>:L~T.*1/>ɼޗ 4 FUXdC*6[IVr,VM|a{[.5pOJs>PD@Z :e)0LjAF:1yj0a1A4v8 :i(uYyTD[6 -s6F:6VԟJ__/';*-ay _z85tu7Ї`\x`3ۦtCm]J|KY"VI.KZ{5'+UXwɉ,xխk