第18章 相互学习（1 / 2）

PmMvPA2CgOO6nOWLuOSquOSAuOSIueSZv+ivmOafq+eMvO+OkOWAnOaGuuSwiOWzg+aNuOS0jeWMvO+2geaMoeibiuWqiuWem+WAuOS0pOWcv+ippOWfseY+Yzw+Yy88DaaA4qaA4j5jPD5jLzwNnYDipoDipoDinIDimrzvnL/oqaTln7HmPmM8PmMvPA2dgOKBvO+DgOmrv+WcgOKavO+TgemGjOWGjOWMvO+9i+aAuOSNieWAvuW6uuSGsOWMvO+Khuizg+iEmuecv+ippOWfseaPveSTiuaRuuStluaBsOU+Yzw+Yy88DYKA47Cj5byQ5ZKA5oSa57es5b+Y6Y2Q5YC45Ia65KWd5qC85K245Lau5bq65LeI5qOC6Ya65IGn6KyQ5Za75Iy875OB6aWf56qP5Za75Iy8752A4o+d5ZyA4p+k5Y245J+k5Z+r57ap55Ow6ICJ5oSa55y/6Kmk5Z+x5qSI5YSv6LOD5o245Ja75D5jPD5jLzwNnYDipoDipoDinIDimrzvkbrkrZbmgbDlPmM8PmMvPA2dgOKfvO+XkOWPneWfpOWLuOSonOWMvO+0pOWUremcgOKavO+TgemMvO+jj+WAvOWfnOekruiMvO+RuuStluaBsOWRkOWLnOe0pOWHv+iem+WinemAuOSMvO+QreWimemEmue2ruW6uuS3iOajgumNiea5luabv+iiuOSMvO+UsOaHi+W3teiTvOmNiea5luaMvO+FueS4ruiHuuiMuOiMvO+QreWzn+ePsOWanuaAuOS3teihjeaKuOSwnOWOu+SMvO+ruuiLuOSyueiWu+SMgOigm+U+Yzw+Yy88DYKA45Or6b6y54Sa57aB5oyh6Kat5YC45Kat5ZG65K2W5oGw5YyQ5aWv6J+55LG35aqH6Iy875e+5Ymn6Jy/6Kmk5Z+x5j5jPD5jLzwNgoDjhrrkmZTpjbjkiL7lj7vnsrfljLzvi7rkj7Dljafnmb/omoHlj4Tmv4Tmi6flgLzlgLjkjLzvsLXogabor7fooZ3mgLjkv5XpiL7liZzmu4Dmr4nojrvktKTllK3pn6vnla/mjLzvgqrpo7Too4/lgLzlgKjotJvnvYPojbjku4Dmlrvkr4/ljLzvpZ3moYPoj4TmhoLoqJzlr5jmsbDljpjmhojlkbrkrZbmgbDll77liafolrvkPmM8PmMvPA2CgOOJnOexmuePveSNuOSireacv+ippOWfseY+Yzw+Yy88DYKA46245KKZ6YSa57au5bq65LeI5oC45IGX5q+36Ia65Ju/6Lm85b+d5pyT6Yaw5Y+757K35ZG65K2W5oGw5T5jPD5jLzwNnYDin7zvuYLniLnkmb/osbDlpoDipoDinIDimrzvnL/oqaTln7HmPmM8PmMvPA2CgOO/neack+manuaAuOSGuuS6h+W4keatuOSAgOaOu+SMvO+LieaGuuS6h+W4vOS6vOWJi+WOuuSIu+eMvO+FueS4ruiRluefv+iMvO++mum6uOSGiOWHuOSRuuStluaBsOWMgOigm+WMvO+du+eSi+a6uuSprui+mumIvuWonOWeruWMvO+3oOahqOavieWjgumMvO+HiOW3ruaHv+iqpOWJheWum+eEmueFvuWfnOacv+ippOWfseavj+U+Yzw+Yy88DYKA44u65L2l5Yi55IC75JqB5Zmm5baF5Y2Q5auO6LOD5o245JG65K2W5oGw5T5jPD5jLzwNnYDipoDipoDinIDimrzvkbrkrZbmgbDlPmM8PmMvPA2dgOKfvO+1ruaLieaEmueLuuSMoeiLuOSonOWmreWAuOSmreWlneaxsOWonOWwjuegveSCpuWNuOSMvO+0pOWUremcgOKavO+TgemMvO+jtui0heWbuuSGuuS3teiVvOWRuuStluaBsOWroui0jeWcv+ippOWfseY+Yzw+Yy88DYKA44a65Iyu5aW06Jy/6Kmk5Z+x5qmu6LGw5amX5oy875q45Ke65ISa57au5Z+x5pm/6JWA5qqP5Yy875qO5YSb6aK06Lau5Yy876+056+n56O75LCV5oy877mW5oC45La65Yyv5bau5Z+x5rq45KCb5a+Y5o245KWL6Imn6KqP5Yy877Wu5ouJ5oSa54SW5Yyh6I2J5rmW5py/6Kmk5Z+x5rOD5oa65LOD5pG65K2W5oGw5T5jPD5jLzwNnYDipoDipoDinIDimrzvkbrkrZbmgbDlPmM8PmMvPA2dgOKfvO+flOeNi+iOteaxsOWMvO+9sOWjleaRh+mDjeWmgOKmgOKvmOaxsOWcgOKavO+TgemvmOaqj+WfueSMvO+FueS4ruiGuuSzg+aMvO+JnOeAneexmueWu+SMvO+FuOa0r+iRuuStluaBsOWMkOW+mumIvuWonOWeruWWu+SMvO+0l+mLueS2l+aAuOSMvO+KuOSLueSLuuSapOWIueSjgumonOWwjueTveSvg+agueSEmueWuOSEpOW6uuS6uOScv+ippOWfseaMvO+CneaNpOWlnea0r+iLuuSkreavj+U+Yzw+Yy88DYKA44eB5Ymc5q245LaF5bqH5Yuc57q65KS75IGm6L++5Lyc54C45JWA5qqP5ZmI5aaQ5Yy8746j6Zy95Iu65Iyh6ISa56WX5rO55Zy/6Kmk5Z+x5qat5YC45Kat5b2l5b2l5Ze+5buh6YW/5Za75Iy874mC5p+G54aI5YGN5Zy/6Kmk5Z+x5rmv5baE576Y5rq65Lau5Z+x5oy877au5Z+x5oC+5Y2J5ZOB6YC45IGm6Ky75Ja75D5jPD5jLzwNnYDin7zvhJrnurrkvaXlk73liLnkjoDmr5jmvYPppoDipoDiuLjls7nloL3knIDimrzvnL/oqaTln7HmrpfpkZbnn7/ojLzvo4/lgLzlprrljYbljYnmuZbmkbrkrZbmgbDljLzvjpDljp/lhrrkuofljJDlgLjkurrkjLrksIjltJvnjLzvorTnnYDmqJzlvLzkjLzvgKjojbjkmLvpibLmlrvkPmM8PmMvPA2CgOOUsOajj+WGuuS5j+Wxt+axt+aRuuStluaBsOU+Yzw+Yy88DZ2A4oKA44u45Kic5Ya65I245KS85J+55JO95ZS65Yy874u45Kic5Zeq6YSa55+c56y75Ja75Jeu57Gw5Yy8772l5Z+K5aat5ou45Kic5aOt5o2P5ZyA4oy875OB6bSv6J+c56Su6Jy/6Kmk5Z+x5p2A4oKA44m55KC+5ISa56245IO/5Yu45Kic5a+Y5o2J5pm/6Iy876mK5bib54CI5ZSL5oy877O55Y245IGn6K+36JyA4j5jPD5jLzwNnYDipoDipoDinIDimrzvkbrkrZbmgbDlPmM8PmMvPA2dgOKCgOOsu+SWu+SuuOWBpuivmOaYv+iLuOSonOWMvO+MoeiNuOScgOKavO+cv+ippOWfseY+Yzw+Yy88DZ2A4qaA4qaA4pyA4pq875G65K2W5oGw5T5jPD5jLzwNnYDin7zvopHlhrrkqozlq4rlsIjlh4HphJrnn5znr5jmpYvopoDipoDirLvkuaXlr4/lnIDimrzvk4HpjLzvlrvkhrrkrZbmk4nmnL/oqaTln7HmPmM8PmMvPA2dgOKUgOKUgOKlnea6h+WyhuWwnOWdqueCnOiAuOS/vuSsu+SWu+SMvO+2l+aLueSpiuW4m+eLiea6h+WgveSFvuWMvO+uieaHgeWqjOWriuWvmOa9g+ivj+WfueS6reWHpuWxvOWUn+ajgumcgOKavO+TgemMvO+IpeWgl+aGiOWHuOSvmOaqj+WMvO+dr+iapOWIueSjgumGuuS0r+iUsOajj+WAuOSXvuW+mumRuuStluaBsOU+Yzw+Yy88DZ2A4p+874qV5YCx5Zeq6a+Y5r2D6J+55Jm/6KaA4qaA4pyA4pq875y/6Kmk5Z+x5j5jPD5jLzwNnYDigoDjgLHll6rpqrjkr5jmvYPor4/ln7nkmb/ojLzvh7/os4Pmvpvmr4/loL3knIDimrzvkbrkrZbmgbDlPmM8PmMvPA2dgOKBvO+KleW5r+WcgOKavO+0pOW5guefnOekruicv+ippOWfseY+Yzw+Yy88DZ2A4p+876eQ5bmv5Yy876mK5bib54uJ5rqH5YGm6LOD5ruA5r++5Iy874GM5quK5bq65K2B6bqt5Yem5Ymc5rm+6K+36Iuc56C95JyA4pq875OB6Yy875Sw5qOP5Ya65LmP5ZG65K2W5oGw5T5jPD5jLzwNgoDjhYPmi7rkhJrnirjki7nklrnmn7Hmmb/okJ7mhojlkJ7mhojllrvkjJDljLzvo4/lgLzljYblkbrkrZbmgbDlgJ3nia3nqo/ljLzvpa3mmoTohJrnkbrkrZbmgbDlgJ3nj5rpp7TnlrvkjIDojLzvi7rkvprpiLnkgLvkr5jmjbjkmK7lpYrmjLzvhrrku47lh7/oj5jmj7vnsrflvLToj7Dlmb/oo63mjY/ljLzvlrvkhrrkmbvnmInmi7rkgLjkmK7lpYrmhrDlv77knL/oqaTln7HmjLzvorDoh7jkqYHmg43lnL/oqaTln7HmjJLlkbrkrZbmgbDlgJ3nua/ljLzvhKTlpK3mhrrksIjlkbfogZDlgZDlmJbllLDmn7nkqbToj7DlhJrnorTosZLpg6rnt4Hlq6LovaXlsIHmPmM8PmMvPA2dgOKmgOKmgOKcgOKavO+cv+ippOWfseY+Yzw+Yy88DZ2A4oKA44a65Jiu5aWK5ruO5Za75Ka45aW75K+P5aic5bCO56C95JyA4pq875OB6Yy876245IuJ5py/6Kmk5Z+x5qWF5aK45Iy874ui6LGS6YSa56245IuJ5ry06I+w5be16I6L5o2G5Yy874eJ5qiq6YmO54Sa57G35aqH6Le16KGN5oy877m+6Ku66Ly06I+w5aOC6Ya65LCI5bC16LK35ZG65K2W5oGw5T5jPD5jLzwNnYDigoDji7jkqJzlgqrppbvkr4/ljbjkoL3knIDimrzvk4HpjLzvlJvln5jlsKPlj7DlnL/oqaTln7HmPmM8PmMvPA2dgOKCgOOTgemjreaWueafseaEmueOueSOueS7guWsiOiZv+igveSvmOa9g+m6uuSJnOaAieavmOaNuOSIj+WcgOKMvO+TgemRuuStluaBsOWdgOKCgOO6uuSWu+SXqum6rOalneaPsOWxvOWFo+ivveS6uuSRsOWNuOSJnOa7gOaMvO+tuOSLueSWueafseacgOI+Yzw+Yy88DYKA44a65Jeq6bq65Jm/6Kui6K+Y5rGw5Y6Y5oaI5Za75Iy874e/6I245Jql5oW45o2G5a+Y5rK35Yu65KSt5oy875G36LGw5bSk5ay96I+E5qiz5o245Ja75IG26IW/5ZW95IiP5Yy874il5aCX5ryA6aui6K+Y5p+c56WL6Lq65Jm/6Iy874a65LSv6I2G5T5jPD5jLzwNgoDjt6DmoajmhJrnraXpt7Xojbjkg5Dlj7vnsrflurrkqrjkm5vlibjkiZzmrbjktq7lr5jmj4PljbjkrqHnhJrnpZ3mt7Xoi5znjLzvhJrnloPogabolrvklK/mr5jmtoTnvpjmor3lq7rojLzvprbmorrnsonoop3purrkpK3mjLzvl77lsK7omL/olrvkjLzvlqTli7nkpK3mpJnpjLzvmZTpjbjkl67nmL/onq7lrqHnkK3lmZbmhJrnjZzmo6Hourrko4LpPmM8PmMvPA2CgOOGv+Wem+WGu+eUu+Scv+ippOWfseY+Yzw+Yy88DZ2A4oKA44a65JO95Y2c5qOh6Ku66Jm/6Iaw5aWv6LGw5amX5oy8762l6be16I245IOQ5bq65Jqk5Yi55KOC6Ymc5p+c56245Lau5Za75K+Y5qWL6Iy877GS6baT6ZGw5Y245LyA5Z+55K+P5Yy8772l5aqk5Zeu54245L2Z6ICd56Oh6Ja75JyA4oy875OB6bSv6JG65K2W5oGw5Z2A4oKA47eg5qGo5oSa562l6be16I245IOQ5bCI5bep56+Y5o+D5Y245La55aWd5re16Iuc54y877q65Iu55IOq54yh6KOC6Y2J5rmW5pyA4j5jPD5jLzwNgoDjrZDljbjksKPlgLjknL/oqaTln7HmPmM8PmMvPA2dgOKCgOOGuuSXqumrouiavOSNuOSxsOW2hOeqh+iMvO+MqumPu+eEmueWueafseawteiMoeiGuuSJnOali+igveScgOKavO+TgemMvO+UsOa5j+WRuuStluaBsOU+Yzw+Yy88DZ2A4oKA44mc5qGy5qC95Iy874a65L2Z546Y5ou45Kic5Yy874a65L2l5ZyA4pq877Sk5Yu45I695Jy/6Kmk5Z+x5j5jPD5jLzwNnYDipoDipoDinIDimrzvkbrkrZbmgbDlPmM8PmMvPA2dgOKfvO+XkOWHv+iXqumrouigveScgOKavO+0pOWsiuacv+ippOWfseY+Yzw+Yy88DZ2A4oKA47i45aOt5oi+5Z+55Jeq6aui6Iy877aX5ou55Ja55p+x5qWF5Z2I5bq65JyA4pq875OB6YiP5Yy876OP5bmU5r2l5aqP5ZG65K2W5oGw5T5jPD5jLzwNgoDjpZ3msorlt7XojbjkkI/mr5jmmL/olrvkPmM8PmMvPA2dgOKmgOKmgOKmk+WcgOKavO+cv+ippOWfseY+Yzw+Yy88DZ2A4oKA44Sa57q65ISa56aL6Lep56Ot5p+c54mc5q+Y5p+55JO95ZS65Yy876245Lq65Iu55Kiu6J655JyA4pq875OB6Yy877CF5p2K5bq85YmL5Yy877Cj5YC45LOS5bu96L2l5aqP5b++5Iy877q65Ja75LCF5omu5YWT5o245Ja75Ie/6I245KqP5Yy874a65I2/5Y245Ju65Imc5q+Y5pKA5Yy874eH6ZOJ5r6y56CX5pa75IGn6Iy876e+5Ku66Jy/6Kmk5Z+x5oGn6Kyp6ZGq6ZG65K2W5oGw5T5jPD5jLzwNgoDjnJPnu4LlhJrnp6TlgJzmi7jklbrlqaTlmb/or5jmsbDltJvngK7nlrvkPmM8PmMvPA2mgOKmgOKsu+SWu+SZu+eGiOWxkumEmueKuOSruuixt+Wqh+iGsOWavOS9g+mQuOSeueSwiOWBp+ihrOaPr+aWu+SMgOiMvO+HgeWcveSJnOafueS2hOefq+eQuOSeueSEmuecgOavj+WKuOSXoeiMvO+Hv+izg+aqnOaOu+SAvuWlu+SWu+Q+Yzw+Yy88DYKA45a75IiQ5YKA6aqk5Y245Ju65Imc5o+D5b2l5b2D6Yy875a55p+x5pm/6J6/6Iy877GE6JK05qWB6Y2A6YSa56yI6Jm/6JG65K2W5oGw5aWd5o245Kat5YW75I245LG35aqH6Iy874a65L2Z546Y5q+Y5peu55a75D5jPD5jLzwNgoDjjpDlq7rohJrnkbrkrZbmgbDlqJzln7forKnpkarpjLzvlLDmp7jktKTlgp7lnL/oqaTln7HmPmM8PmMvPA2gueSmreWSuuS4m+egq+c4Mays5ycoPmM8