请解释一下凹岸和凸岸

来源:学生作业帮助网 编辑:作业帮 时间:2024/08/30 06:12:38
xVn"G;|K*Mfl<=`?y44?OoUʿsG#%H=7W( };O(OO)/ʻʏ<5Fx$k*sVɳ&LI%-1dh[-:-S>sVqе(w5*AOkCTWu]lr|ވIZig_wk@gZqf-i U(deܙ,~+!HRFs%6~ 4t0)b,{%U;SeʡmB?/7$Bphu #` {a0A5:-¹PvJF(HS*q+H:5y%α ׅ{6,3ɝ$Pcr>F B`nRGZC؄~:Qe{?a$^e G@qe4؀bԘ1(1锦D$# YZe~A.qqT"mQeΔu)';ܓXsϻѱ=3W<ֺc&1G7_d/69~f(CI;E1'dD}A{Ln=5d?a u0K)$W<fbfíy$7ibpMie!WX$C԰_{o 9_pCtsaW[eb L%r83:*APc֜Zőq:ʸϨ eW-9 80sw k*v?Q"j[AO]X!a,K &k;F/ _~^G^>:߆Q]|ǜ0r[MY<{J[5 56Fx6{d5).fjwӦ&㧓UZTOcŬ,[,^?F rsƃ(.*S ``hau/7hŞ7GÒU>B`!$@gkG^|