什么是“玉”,其化学成分是什么

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 04:02:37
xZn#yǞq<%@/p K`$?}")ȑD)ds)vWU!m6L;Slr[~e5wF]eLD,zW2(x?ozO kT'֬).ʼn5|; %ʼn55T'r{媹VQwhm@"e@#';ʟ|5l_yĹP"K;1Wj7qledA놘YHCHGdUxZZպ"}qG#ć(ѩ\} e9FG͋qK8 8C@-+@Çwb8v~.!JsV 8gu;q/~S7m~UD#?.`[VXgb n̚%XL&ӉQ¯=TQ讑UA|//0ײ @v'V%UBճ[dbeqz=$"#ke -3&>[xݚ{CAiǮDִG7ڝ^wR  5UJ+i,bPz8bx*2%YD %#<:G+(H7r0vN)'2U|P܅_ş[M[ӹ55b6)M'؋4(WW e!XQ!b[ˣ[pȯy^W/>_>O?~fx߿_VxSy7c}Yp$S/ef dҚL]l\FpT,@U0TK+=8Uor"Nj.CQey 7@D넻bX 9>@? _VgUb&V!h"wX8Oq8GNɕLZ lV̯P"4ˆ&0/"*]&>T"țXXD%{$3Dl.rF,R ݉Ms$8Ac[!Nd3O#5!D3DBP߾rMtDi [X[$2!]Cq7I}<_WTg@'j_%&Bx%5#–yK<ԯ-92ěHӢ~?}LlǶfg hPp&9``}(^lga%؂)/0B^b|5Ηwr{/:g{{?c,ӽ@-"8 P6זּȬъZ(- D_٫ss=k0ҺCFǶ𳝚:(jvr"ꄗ)#SqC7 :u=HC٪^AN.<OCs(…C?5Q\AhŨCw.OC9LW1c'!+ (C^t?,"9,mHJn:7nc+`;D3ĎJx{Ԧ;b!"EEdWm(.2oM30'-OlOM<qe % v M3vGxHK30Wxw]Ng[,]|*p4=W`NeOG2$4մܣlLtLp:3ePwQ E!NgQ=o@DL<N6lD"^@Ƃ+1+VCiY$rɱOd't{r-t;b iuC8 RlJːr[(< f}x-lPI2oouy[!}8em:\FH p6~/bі01m-$$w)w D0 dF;Hש2(m_!qs^tNt٩f7i9ʰ,i]LlMNX__Dtcsmg} kk/K wivQ@鍐Բ<G"6`|̡%Hp*N]]+p: I1b*6uqӋ$-\wEkgKzm"kR e+Ԏظϣkk/F)y|β3g3R6הGHRusȣ.x6{"x@8qk=iJoH`yNZb'-G{y/[dgt_:}?:>HҘS](3sޅmJAj#QǾn7J6TriEje'/=x&bqL)):=o48b &?v3 uM,P09ïLP&+b-kY/@3o(7yaߞ/HM(UWA;&뎽ZȮwhV Ik15 X~>,+;ٸS^鲾uca0;{ǣ\jH_%mص4B yaaMIZU\L|7~xBްijɾ\4<&̥)a^ I`̻L<5`q՚?#_+r-`LTj;.a%X}wR aEc{ #94[C_C_nba Fr&r&,vj(]J8<Ç8EG*NJ2W*~4AeYbǧ)vT'&cftL_h>$rǔBWv{:͡u'EW7(~vM(!j_-a-ZDY7_?nR_}ie@: ^.ߏmy{^l.&8I)wз8; Jr8N4 |xȓt ;kGЉt[Adw-j.xEP@s`hYĉY |ʄai~[kYֱLD(C[4Ӹv/ajXO)ttJ ɖ x I4SmMqjv-]u8z'GV;XL8jY,1piVuG+Sh;)qHU-#ڜ"Ͷ#*oŀKW%KH4SHvrbeԞ$Y*} UX<԰8\dv{!+2`wI{;R`-"?@s,&O*TGt`{Czj-i:趦m&CfZQpSI{)`A96st֎\#_uh{1R?I$[&29qԍ>߶EQ($ 띹O|:LK\9\w,( ̀Z7d$ZYS9bgdHSeT.k P`5=N# @5S.<04 j9l聣3O2<65VVj/b[CNt# &[`XHD|C#y7cG]7^m!6 d#'f:g+0yE3lK+3!XE\cI4\e\5t+ڤ4N^%~P+K_0&5Ve^ab9˜XFPlр0"NS,X%MU:Os䳜wzl` y9MqT44!ETRxZ)I]y=4~҃7Po}'2kD