第8章 约定和实验（1 / 2）
PmMvPIKA44mL5ouF5aWf5qGs5pub5ae657G95YGA442/5Yq45IGA442/5a245IGA442/5Yu45Ia65Je+5beO6IiP5bGu552u5Z+757uz56+Q5YC85aWd5o6Q5T5jPD5jLzyCgOOJi+aLheWln+aEmueliOWnuueNv+WKuOSXkeiJnOali+axsOWWu+SsnOafjuWMvO+OkOW8nOeuveiZhuWJjue+i+WJuOSGuuSvkOWAvOWonOU+Yzw+Yy88goDjhJrnoIrloI/lpbvkr4/lr5jmjLzviYvmi4XlpZ/mhJrnsYrllqXllrvkmbvnn7vnu7PnPmM8PmMvPIKA47e16Ji/566+5a6+5Y+95I245I2/5bGw5ZKn6LSY5YSa56a85ZO756Kz5rqZ5oeu5Yy874u45IC45Ia65JeP5Z+E5pWN5YCu56+Y5qqP5T5jPD5jLzyCgOOJi+aLheWln+aEmuenheWTveSGuuS3teiLnOeln+aLp+WAvOWbnee8nOeKuOStl+mMvO+QneWMgOi/heiYm+emvOWTu+eis+a6meaHruWMvO+nheW0l+m/iOY+Yzw+Yy88goDjhrrkj4fpm4rlhJrnsbflqofoi7jkgLjkl4/ln4TmvaXlvaXlpZ3mtJfptpfmiZzmvJbmiLvnPmM8PmMvPIKA47KJ6J6l54Sa56iK5YC/5p245IC45Ia65LqH5bCO56615q245J6l57yc54y876iX6Yq45LOF5aa85ZO756Kz5rqZ5oeu5Yy8746Q5YC85bum57q65KS45Imt5z5jPD5jLzydgOKCgOOGuuSTgemln+ecgOI+Yzw+Yy88nYDigoDjraXpg5Dltq7lkYjmu47loL3kqa7oirjkmpnmtK/osrrktojnjLzvprzlk7vnnIDijLzvk4Hpp7TntrXotJDnjr7norPmupnmh67ljLzvkbfolqTlgL7ll5HoiYvmiKXlm77olo7nobbmqbzmq6LonYDipoDipoDihrrkua/lnIDiPmM8PmMvPJ2A4oG875eh6JuA6buO5ay75JGI5oy877SQ546+55yA4j5jPD5jLzydgOKCgOOgveS+iealneaNhuWppOWOmOaRiOaMvO+GuuS9peWaruWmuue3oOaZv+ixsOWjgumcgOI+Yzw+Yy88goDjpZ3mt7Xohrrks7fohJrni6XltIXliKXlm77olo7nobbmqbzmjLzvjpDlhqbolK3nhJrnprzlk7vnorPmupnmh67lhrrksIjll77lqJzlPmM8PmMvPIKA44Kx5rev6ISa54il5Zu+6JaO56G25qm85p2755KL5pq85I245LaE56qH6KW75ICJ5oy874ek5bKY6YSa54+X5oC45KKz5rqZ5oeu5bmv5bq65Imt56mW5qWX5p6j6b+M57CI5Yav6KSu6Lq65I+X5qmu6KWd5qSt5qW75Iy877qu6ICo6ISa57OF5bib552A4puK5bGf5rq65Kan6KWO5rq65I+X5qKz5rqZ5oeu5aKt5oGm55yA4pu65IC45LSv6Iy877qc5Yu45IKx5Zir6baP5aic5qu/6LyA6aWd5oil5Zu+6JaO56an6KWO5oe/6JqA6YGm6LOD5rGw5ayc5p+O5Za75D5jPD5jLzyCgOOlneaLuOSGuuSUuuWUree0pOW5gueljua0m+emvOWTu+eis+a6meaHruWMvO+krea5r+U+Yzw+Yy88nYDigoDjhJrni5zni5znpZ3muLjlj7vntJfptpfmuoflvYrmmrzkmq7lgLjkkYjmjLzvi7jkgLjkmZbmp4XnkYjmrrjloL3kjLzvnI/ojafnoazmgLjkrKznkYjmr5jmmb/ojLzvprzlk7vnnIDimrzvk4Hpi6XltIXljLzvtLDml7HmhJrnirjkuIToppPmhrrkppPmiKXlm77olo7nobbmqbzmPmM8PmMvPIKA462b5ZyP6Jed5Y+w5YC45Ia65LqH5aKX6YC85YyH6ZCt5aKZ6aic5Y2J5rq65Im45Iy874iN5Yq45IC45Ia65Jm/5bSb54C45D5jPD5jLzyCgOOwnOW7v+ejtOiftOivmOaZiOWmvOWTu+eis+a6meaHruWMkuWIpeWbvuiWjuehtuapvOaMvO+QreWNp+ewueS7juWjtOiftOi0kOeOvueis+a6meaHruU+Yzw+Yy88nYDigoDjp5DlvaXlpoDipoDinaLpnIDiPmM8PmMvPJ2A4oG875yP6I2n56at5aC95IyS5bOD5pGI5oy876a85ZO755+875eQ5ZGI5pmV5pmV5r2D6KC95KOC6ZyA4j5jPD5jLzydgOKCgOOvmOaNuOS2hOeTveWcgOI+Yzw+Yy88nYDin7zvl5Dlhrrkpbvkr4/lsbDlkK3ljafni7jki5/lirjksJzlqJzlr5jmjLzvjafns4Pmn7nkkYjmjLzvprzlk7vnnIDiPmM8PmMvPIKA46Wf54CJ5qCX5oC45K+Y5o655KCH5YWD5ou65I2n55m/6Lmv5Yy875Gd5rqH5baI5ZCZ6aui6LSb54C45Lml5Yy874a65Iyh6I245LGw5Yil5Zu+6JaO56G25qm85j5jPD5jLzyCgOOwlOechuWLnOeAuOSLnOe9g+iYv+iZgOW2l+aEmue7gOmht+W6h+WWpOW6uuSPl+aXkeift+iUsOW2geWMvO+9peWYv+i0kOeOvueis+a6meaHruU+Yzw+Yy88goDjmoHlmrzkjYnmkbDmnIblhJrnop3plqTlkK3lkZ3mqJzlj73khbHliZzmqo/ljLzvhYPmi7rkjafnmb/osJzljafnj4PlPmM8PmMvPIKA44Sa56KU55+U54u65I675I245K+Y5oWA6I2/5Yy874yV55a45LG95auB56ic5T5jPD5jLzydgOKCgOOKleWdgOaPhOaJnOa9peWlnea3teiskOWcgOI+Yzw+Yy88nYDin7zvnI/ojafnnIDiPmM8PmMvPIKA47KJ6J6l54Sa54el5b2l5Ya65LqH5bCO56615r2D6aiF5Yq45LiE6ISa54il5Zu+6JaO56G25qm85oyS5bSQ546+56Kz5rqZ5oeu5Yy8746Q5YqH6aOn6ISa56a85ZO756Kz5rqZ5oeu5bCI5ayQ5T5jPD5jLzydgOKCgOOcj+islOi5gueNp+eXrueTieaRiOacgOI+Yzw+Yy88nYDigoDjhrrknIPmr4/liafon4Tmu4DmiLnkgLvkuYLnjafnjbjkjLzvkK3lopnpp6TliLnkmb/onIDimrzvk4HpnpvlhJrnrIrmjbjkn7nktKTlprzlk7vnorPmupnmh67lPmM8PmMvPJ2A4p+874i55IC75JqB5aic5a+Y5pm/6KC95Iy876a85ZO755yA4pq875OB6a6X6YSa54el5b2l5Yil5Zu+6JaO56G25qm85oy875+c5bu/56a85ZO756Kz5rqZ5oeu5ZeR6Iuc5z5jPD5jLzyCgOO7juW6h+WGuuSft+iruui3tei2l+aMkOWMvO+8nOeAuOSGuuSGp+i5r+W4m+eSuuS0kOeOvueis+a6meaHruWMkuWIpeWbvuiWjuehtuapvOY+Yzw+Yy88goDju47lsLXokK3lopnpl5HokZDlkK3li7HlgLzlu6bnq7rorL3ojLzvtLDmvZnnr53mhrrkkoDlpYjlhojliKXlm77olo7nobbmqbzmjJLltJDnjr7norPmupnmh67lmbvnprzlk7vnorPmupnmh67lPmM8PmMvPJ2A4oKA47Sw5rmC552W5Yy876Wd5pyA4j5jPD5jLzyCgOOGuuSRkuaDkOW6uuSkuOSsu+S5peWpruifpOWztuiPu+eyt+WMvO+Ph+m9u+SEmuetpem9u+SAuOSvmOaqj+Wlu+SAieaCgOOnpOW0m+aPh+mtpemEmuemvOWTu+eis+a6meaHruWvmOaGveSMvO+PsOWNuOSmuOSeruW2heWPh+mtpemEmue6uuSkuOQ+Yzw+Yy88goDjnZflsaXpqrjkhrrkk4nmtpfmjJDljLzvkK3lmoLohJrnmrvmmrvmhpzll5HouJHmiKXlm77olo7nobbmqbzmjJLltJDnjr7norPmupnmh67lPmM8PmMvPJ2A4n6xpem9peV+nZflnIDiPmM8PmMvPIyq6Z6u5YyS5Zqu5aa656Cr5zisrOc+Yzw+Yy88jZDlmr3kOoWA6Jy95IG875SC5o6Q5aWI5YG/6KyQ5o+X5r645J+876Kz5rqZ5oeu5Yan6IyV5j5jPA==