地层的划分原则是什么啊?请说详细一点啊!谢啦!最好要字数多一点的!谢啦!哪个高人帮帮我啊!

来源:学生作业帮助网 编辑:作业帮 时间:2024/08/06 06:59:22
xXnC]d-'@aa Hxɡ(RJddNIdg 955 )y  fwuuSD} z ylC$*ܷ5MbvO~[c)fJuqa-@,q|c7Χ5 L_޽xRJ^f ܵu!9(eQkd*ڛUDUcBb:[}H-ح0$.'HlL#[֞W)*3Y *ĵ*tX\. ,3#Ǥ~%i4']?/N^qR|iiPP ǽ xfM"!+qfc5?/ֲn3{k<ĉ+ZˊYY}^Uf @3*Ue[a޽G<ueΉ5=%5";,1$lٺUA]'n`'Im/xюEp,"hgp:0Y{̬eON*#YRصNKW0@1d d> } [V-XUF ar[l_\D谇h]yYYT>mo*)s(5դp1+hQ̮*V,КI1fm*Rbz5b]%Kl$yǞLa##MkuF0 @wWiTfz^Rɧ=mt-1`7dE{ߏj N^'`0Ud~D2;rHQRȥ=2E@[p/3 ݜq0 @_zFf@{sgDK !Z{4"Yϋ >Ov&̋AQZ;Oe9dӗt>fe"DAyH5:d c7]"v= Q~u j{,kܚG)^]9b4{]`/D.A,tP"̏>ޤeA0P ə@b?0c0 3=$+PbϑМJ+xoВy5"`sQkv!e/|ԗ-fmb?5@u?w^zRpl:y9.b@PY]697;>A%!ҦF"S5ԩ ~)oȻ(0H4b ,3[;YB20@ ?P3YMPE >ieShA SJ%t6/UDnB'|_Olux4; 7{DxF5>]K4u#/W5:ʋĖ')!+_|bvfW_++ͷO\RUmM(`%JupCk$Ԡj+Dsh_EV B[&S%6RiN1bʉR;58i>sQکU6I\,' 9'_یy:(Ej!}*;O16݂;an}5;}A7_'3?fٷC9 u~K 8Kj 'r'j#3m9cʾkQa5^ݶpȊe;o>ǧG%d]P8&/)TnGx{xnC_@dU$RҩDQ:q ] >ϴEi+TL=خZx}5$2Eה,oȥe*2Ћ^k* ѩ&tߵxj8Tbk- Bfjd9++;KTKJOŨoJ;t"BC'RGT+98IV$}?L^Yvk.ny NE`,dZywۗ/