doi之前的铺垫（1 / 1）

PmMvPCknJyAsJz5lby88PmVvLzw+ZW8vPD5lby88goDju47lirjkhrrkn7fogJ3nv4vmuaXlmbvnhJrnp7fllrnkpZ3mnpvlmIrmiI/lirjkkK3ls4flqJzlmL/lhYzli4nmgKrmnKfli5znjLzvu47lirjkn7fos4PmpZ3mt7Xoubzlp7TntrXojp/ln7HmPmVvLzw+ZW8vPIKA47C16Jak5YC+5bSb54S+5Yy875St556b5Za75Imt54245J+55ICq5pyn5Z2A4oKA47au5Z6b5ZGI5oGA6aC95Iy876a96IC85bOD5o245LyW57Sk5ZGI5pyA4j5lby88PmVvLzydgOKCgOOEmuenhee+qemJnOaMvO+vl+WcgOI+ZW8vPD5lby88u47lnpvlhrrkkJ3liI/ljaTlgKrmnKflnYDin7zvl5Dlpr3ogLzlmrzknIDiPmVvLzw+ZW8vPIKA46Wd5re16Ia65IO/5KWA5raX5r+h6biQ5byR5Y6f5Z+x5p2A4oKA47GI54uB5oe/6Iiw6KGy5qaA4omc5qGy5pGI5qaA4qGy5pyA4j5lby88PmVvLzyHlOW0mOWEmueWu+SwoueGuuSwoueLiea4vOSPveSNuOSNv+WAquacp+WdgOKfvO+KleWLj+WLnOazpeWquOSgh+WJnOaMvO+AkeWGuuSMuuSnpOWcgOI+ZW8vPD5lby88goDjpZ3mt7Xohrrkg7/kpYDmvYPpuJDlvJHlqa3lt5TnjLzvi5znPmVvLzw+ZW8vPIKA44Sa56G/5KqH6Li45Z6d6a+Y5pi/6ICq5pyn5bmC55m/6Iy874qV5amr5biE6ICd54uc57G35aqH6Ia95Iy874Gy5aCH5aek5Za75JSv5rG35aqH6LSv6L2Z6Iy876mk5YWM5YaD6LKJ6LaX5r+h6YCq5pyn5Yy874GN5Yy65J255IGN5bGw5Z+55KGu6LC85D5lby88PmVvLzyCgOOoiuWyrOaioOiioOi6uuSEmue+i+U+ZW8vPD5lby88goDju5fpvprpjbjkuYLngLjkjLzvr4HmlLDmmZLolLDlt43ohJrniIPnk7XmhJrngLzlhojnjpDlqIrlkL/or5jmlrDlu7zpjLzvhrrkorrnuITos4Pmn7nkv4Tlmrzkmb/ogKrmnKflPmVvLzw+ZW8vPIKA44qa6Ia754Km5bCj5T5lby88PmVvLzydgOKCgOOMuuSnpOW0ueWKu+ScgOI+ZW8vPD5lby88goDjk4HplrvkgJ3nr5vnq7roi7jkr7/kgKrmnKflnYDigoDjp5DlirHloIflvaXloL3kp6Tll77loa7osLzkkYjmn7zvhJrnoIflp6TljLzvp5XlnIDiPmVvLzw+ZW8vPJ2A4qaA4pCn5aat5ZyA4j5lby88PmVvLzyCgOOPhOiDv+WEmueWu+SGuuSKuOSekuaEmue1u+e1u+evveiRuuS1nOaAuOSGuuSQiOaYj+WfueS5peWPg+W9peWMvO+InOWAuOSGuuSsveiEmueYo+mYo+m7vei3oOaAuOSRuuS1nOaAuOSAneepuOiPg+Wft+iYq+mGu+epuOiahOiMvO+Zo+ijoeiev+iEmueTveSXvuWruuiAuOSAnee/qeepreWzpeWEmueNieWinek+ZW8vPD5lby88goDjhrrkrYPnvYPptZzms4DogJ3nnr/ojLzvpZ3mt7XohrrkorrnsbDluITohJrnjp/ln7HmtJfprJ7nPmVvLzw+ZW8vPIKA47Sk5YSa55a75LiR5oa65LiR5oCd55Gs54y874ic5YC45Ia65Ky96I2J5aKd6Za75Kic5aWd5re16Jmr54Cq5pyn5Z2A4oKA44uc56C95Iy877+E5Yu65KGy5p+c55yA4j5lby88PmVvLzyCgOODv+WzpeWRsOWXoumAuOSGuuStuOS7h+WxsOWQreWLuOSAuOSMvO+EmueJvOaJvOa/ueaepee8nOeMvO+xt+Wqh+iAneevm+e3oOaAuOSJseaDv+WftOiAneevm+ebveS/u+SMvO+Anee2ueWEmuent+WWueS/hei/lemhneakuOSMvO+AneeQneWYvOe5vuiQreWzh+WAneeojOaxsOWEmuenpOWnpOWYq+mYq+mWu+SLnOeAquacp+WdgOKCgOOGuuSAneeTkOWrouivmOaxsOWRiOaMvO+LuuShsuaMvO+GuuS9peWcgOI+ZW8vPD5lby88goDjhrrki7jkkoDlsbDlgKrmnKflkqfngLjki7jklYDmn5TnjLzvgJ3nr5vnhJrnvJznmZTpjbjkjLzvub7ogZfmuaXlqJzlkJ3lhJrng7/kgLHln7nkjp/ln7HmPmVvLzw+ZW8vPIKA45uK5aek5Yi55KOC6a245KGx6LOD5omc5qGy5p+55JKA5YOQ566v54Sa56Wd5oe/6JOJ5oy874a65ICd55OQ5aui6LSX6aye54C45KOC6a+Y5p+55ICq5pyn5T5lby88PmVvLzyCgOOnpOWNuOShruiwvOSYoumul+mMvO+LuOSAuOSfr+WCp+iavOSvgeaRvOSAneeQneWimem7jOWhoOaonOWsu+SWu+SpruiMvO+bl+eNuOSfueS0pOWMvO+OmOaFuOadgOaepeeAquacp+WLnOeflOe7jOWhoOY+ZW8vPD5lby88goDjkbfouoflgL7lsbDlhJrnoKLpoKLpjLzvjIfpgIDmhrrkqJzlsYrmurrkq6LorL3oi5fmtZjpgLjkiI/ljLzvpZ3mh7/ok7znmojlgKrmnKflPmVvLzw+ZW8vPIKA45G36KKZ6buM5aGg5oC+5bGw5aWd5re16LGK5oCq5pyn5YqK5oy874Cd54+W5auX5Y6f5Z+x5p2A4oKA44uc54uc56KZ6buM5buO5aaA4ruO5aaA4qiC5qa45ZGI5pyA4j5lby88PmVvLzyCgOOXseahguiAuOSlneaLuOSZleeIj+W0l+msnue0pOWdoumEmueltOaltOaXseaEmueEmueTieaDkOeTieaxsOWlneasnOaOn+WfseY+ZW8vPD5lby88nYDigoDjt7Xojbjkua/ljLzvkKflpq3lpoDipq3lnIDiPmVvLzw+ZW8vPIKA44u45IC45KWd5oiP5Zm/6Iy874i25pqI5ZSw5oSa56Wd5rqH5bah6ZiR5ZS85peL54a756ui6ICq5pyn5Z2A4oKA45m/6LCI5ZSJ5oyH6bqc5Y675L2D6Iy874OQ54Sm5oSp5q+Y5pi/6IOQ566v55OJ5qC95JyA4j5lby88PmVvLzydgOKNvO+NvO+NvO+2mOWcgOI+ZW8vPD5lby88goDjtoPmtoPmuITogLjkjLzvpZ3mh7/ogJ3nkbfon5Tnt5TnhJrnt6DmgLjkkp3ptKTlo4TmnYDin7zvp5Dlv4Tli7rkobLmqILmjLzvkKflpq3lnYDmj4TmvaXljbjknIDiPmVvLzw+ZW8vPIKA47Sk5Ya65Lig54OQ566v56ui6LGw5bqc5aa96JyB5bCI5ZqI5Yy874iD55O15qqk5YWD5p+E5oSa52hiZZyy6Y+w5Y6n6Iqn6K+Y5r2D6K+P5Yy876mk5YC45ISa54el5aCX5rO55bO55Zy95KW35ZuK5aqK5a+Y5qWd5qyc5j5lby88PmVvLzyCgOOjj+WDg+iAquacp+WIkOW0m+anpOW3lOe7s+eyguiTveSvmOaYv+g+ZW8vPD5lby88goDjpaHopaHomZbmrqXpp4DmvYPon4rluYLnnZblmqTll77lr5jmjLzvmpnovoLosbDlgJ3ni5znjLzvkK3lt6DmhJrnaGJlpLjkjLrkoJfmq7rooZ3moZ3mppjno4Lpi5zngoDjhrrkhJrno7botIXln4TmgKrmnKflr5jmjbjksbDlhJHmjYvmhJrnhojlqIPpurrkgKjoo7vkjrrks4Xli7jkqYnljLzvhrrknLrlnpvlk4Hpk4nmh6TlhoflsbDlgKrmnKfljLzvhojlqIPplLrluJvnhJrnlLzmpL7njK7ljYvmhJrnn4Dpq7/ljLzvvaXliL7lm4rlsI7nqKHoPmVvLzw+ZW8vPIKA44qV5YSa57u96LS55aKs5pyW5Y245IGw6Iy8762D56WH57eX6Ymy5oSa542J5Yu55KuJ5oC45Iy877i45Z6d6ZuK5bu05qWY5pKd6Yy8772l5Yi+5Zye5oiV5oSR5o2L5oSa54aI5aiD6ZS85qS+5z5lby88PmVvLzyCgOOBp+iPhOa8r+WHjOaEmuengOa+rui6u+WbuuS6h+WQj+aXvuWfueRoYmWcsumPsOWLnOeLnOeGuuSkmem6nOWwjue0uOSyuuSMvO+7gOacp+WvmOafueSHgeWHgeU+ZW8vPD5lby88goDjgbXmpLrklLzmvK/ljJLltKTluYLnkaLpkaLpjLzvg5Dnm7/orq/nlYrmn5Tnpq3lp6Tlt5TnhJrnupzlsI7ni5znop3pjpDlqJnlhqfokZvnlLzmvK/lqJzlgKrmnKflPmVvLzw+ZW8vPIKA45ye5oiV5pm/6Iuc54uc54y876KR5Zir6ai06KC055+U56at5aek5aic5bCO57Sv6I245IGm6D5lby88PmVvLzyCgOOlneafgOWfueS9peWjreaMvO+NkOW7l+m9m+WoheW7s+eyguiTveSEmuenpOVOjLzvupzlYm5whJrnp6TlToa65J+A5Y+E5rmJ54y874qR5b+55ZmW5q6l6aiK5ZC/6ISR5o2L5q+Y5qGs5pm/6D5lby88PmVvLzyCgOOGuuSNveSxsOWOuuSIu+eYkeWUvOaEmueGpuW2l+aPsOWAuOSGuuSWjOWIj+W2l+aPsOWkuOSwiOWfv+iMvO+2jOi2peWdluWYkeW6uuScveSlt+WGuuS3r+iFjOWwheiPjuaIj+WMvO+GiOWGiOW6uuSEmueKuOS6nOVibnCZu+eZluaupemoiuWQv+iTieagh+WBjeWGuuSOi+aki+WOkOWpruintOe2teiAquacp+U+ZW8vPD5lby88goDjt7Xojbjkhrrku7jkkYfpiZzmjLzvhJrniKblPmVvLzw+ZW8vPIKA46+P5Y245IKq6aek5aOP5bSg57qc5bCO55e+5Z6d6YCq5pyn5Yy876Wd5pu/6L+E5YWD5o+w5YSa57G35aqH6J6h5Ze+5Z6d6bmW5py95IiQ5aq45IC45KaP5a+Y5o245IGm6D5lby88PmVvLzyCgOOBseWquOS7tOacsumYv+iMvO+wnOWAuOSGuuSrlOiXvuWSmeazmOmqpOWrouisu+SflOemreWnpOWEmueyuOSiruWlneaMvO+0l+mtuOS6nOVibnConOWLq+exsOWHpOW+ruiEkeaNi+aGoOWAuOSMvO+2l+aPsOWkuOSRv+iGsOWwiOWfv+iQreW+k+mJjuaYkeWUvOacnuaTu+c+ZW8vPD5lby88goDjtYHng7/luLbmsrnlhJrnqKPnmIrmq6LonJXnvqTnvIDppovosIXmipHlsIXmipHlpZ3mjLzvp6Tlt5TnhJrnu7TmnLLpupzlsI7nhJHmjYvmi5zni5zns4PmjLzvpZ3muoflnLrmsZTnhpDnhJrnupzlsI7ng7/ko53ngJ3nn4Dlk5jmua7ljbjkvaXlgKrmnKflPmM8PmMvPA0ptaHpMS8xrKznKCCrnuW6k+mEmueNieWLueR2YnEnKD5jPA==