第23章 物理课（1 / 2）
PmMvPIKA44il5aCX5oSa552A4qq45IC45Jeu56q45IC45LuO5Zu/6KyQ5b2D6JyA4o2n54C45JeR6Ka45Yy875O857O55Z+A6a2v6L6v6LKu6D5jPD5jLzyMvO+OmOaaguiln+eDv+WLhea2iuegueSmreWEmuetj+etheWBuOS5r+W2hOe+mOaIuOWBgOiluOQ+Yzw+Yy88goDjpbjkk6fljLzviLjlmZXmgYDohJrnvZnnsYrorqvptKTljLzvnJXpvJznmo7lmo7ll5HotIjmjb3kgLjkr5jmhJrnvq/osq7oPmM8PmMvPIKA476v6IaQ56mJ56+Y5r6v6IKK6Iy65Kys5z5jPD5jLzyCgOOMh+mMleeWuOSEmuext+Wqh+ionOW4teaJsuatu+enu+eMvO+Sp+iHlOW+i+WGuuS+i+W5peU+Yzw+Yy88goDjkLrmhLXojJLlurrkhJrnsIjljbjks4Pmj4Tmm7rkgLjksIjlpqfopY7mvYPouK7olojmPmM8PmMvPKaA4qaA4pS45IyA6Iy877GU56qH6Iy874Ow6I695D5jPD5jLzyCgOOPhOa5peWIkOWjreaMgOiNj+WZv+iMvO+Hv+iNuOQ+Yzw+Yy88goDjhbXmjbjkn7nklYDmkIHmtLDmjLzvp7rnrY/nhJrnsbnkt7fmvLzki5znqrjkmb/oPmM8PmMvPIKA46iD6bK55YSa54Od5p6u5Ymc5oei6a+Y5rGw5YaV5Y+756+Y5o245JWA5pCB5oyH6bau5T5jPD5jLzyMvO++tOaageWjgumWu+SLnOeMvO+yk+WImemquOSjguk+Yzw+Yy88jLzvkK3ljInnvZvllqTlhJrnsIjlsLnkvYPojYnmuIjlr4zllqTlgabogJzpvYPor4/liZzmPmM8PmMvPIy874Gn6JGw5Yq45KKd6YK45a+Y5r2D6YSa57+p54q45Ku66Kat5YyQ5aq45KCH5b2l5T5jPD5jLzyMvO+Omeilh+iZvumPl+ivmOa0m+atj+etheWBuOSquOSZv+g+Yzw+Yy88goDjpbjmmLzkk73luJvnvYPpg6Lltq7ln5Tnpq3lhojlqIPpp6TlPmM8PmMvPIy874Sa56mk5YaA6am755CI5rCV5pGw5YGe5oa65KSZ6Yy8746N5Y6Y5pu/6L2D6D5jPD5jLzyCgOOmreWMkOWbuuSjgumEmue5peWPh+mTieaNieaaiOWHv+iql+mwnOWrv+Weo+m0jeWMh+m3teaRhOg+Yzw+Yy88jLzvrJzmprnkkZDllYrmiYXlrpvnh7DlsJbmjYfpv6vlmLvkPmM8PmMvPIKA47ml5ZeR6Km9572l5b2l5YGm6Jqu5YC45JOq6JGP5Zea5pea5j5jPD5jLzyMvO+6vOWaneWIj+WcgOavj+WIj+WuuuSCvOaIj+WmreWMkOWEmuekruiwluaquOSZv+iXvuWJp+iKtuiLnOeKtug+Yzw+Yy88jLzvuITop77khJrnmZ3pibLmv6vlmLvkl5Hoi5znuaXlPmM8PmMvPIKA44u65Kek5Ymt57Sk5YSa57G35aqH6Ia65JCI5pO95b+r5Zi75KSK5p2/5IqK5qiK5aqH6I+757K35YyH6YO/5T5jPD5jLzyMvO+UsOairuWvmOa5peWTveWqj+W0jeWvm+mgvOU+Yzw+Yy88goDjtbTojY/nurjkpLDll77lvpjmjLzvoaDmpq3lhJrnn5TnjJnpjJLljIfptq7lhJrnt4blsIblqrjkmb/oqJzlPmM8PmMvPIy876SK5rS754Sa55mV552/5KCX5quv5r275Jm/6K+b6aC85Ya95Iy874Gw6ISZ6Z2+5IGm6ICc6Y245Lml5T5jPD5jLzydgOKCgOOCgOOFv+WNuOSSgOWjgumMvO+IueSAu+SyueWRiOa6uOS8luazh+iMvO+MoeixsOW/q+WYu+SRiOarj+WcgOKavO+ht+azueWnl+advuSUsOatr+i5peU+Yzw+Yy88goDjkobphbjml67nmL/ojLzvr5vpoLzlvJzngLjkhrrki5znv6vlmLvkPmM8PmMvPIKA452c5p2c5pi75ISa57Oz5ri45pq85K+Y5o245D5jPD5jLzyCgOOEmue5peWRlea7juWLuOSzt+iwnOWevui5ruWNuOSJueS/q+WYu+SvmOY+Yzw+Yy88jLzvtpfmjIfptLDmm7/oiY7muaXljLzvhrrktK/ouaXljJLlv4TlqrjkmKvpPmM8PmMvPJ2A4oKA47q45Iyh6JG45I+w5YSa56GC6IGx5beG5bS06LiE6K2D55qB5Y2G5Y245J27546Q5aW75K+b6aC85ZGI5oy875G45I+w5a+Y5qC95Iuc57q65KWI5Yy874uP5Yuc5q+Y5rq65KWI5ZO95aC95JyA4pq877eG5ZiP5bSX6aye54WD5p6l56+b6aC85T5jPD5jLzydgOKfvO+Lj+WLnOaIueSAu+ScgOI+Yzw+Yy88nYDin7zvl5Dli4/li5zmr5jmjbjkrLvkoL3kjLzvr4/lnIDiPmM8PmMvPIKA46iK5a6+5YWD5p6l54y875Ct5beg5oSa57ae5rK55Z2c5p2c5pi75J+36LuO5buI5Yur55e+5Y245KiB5oy877qG6Kuh5aSE5om55K+J5Zm/6K+b6aC85ZeR6Iuc57+r5Zi75D5jPD5jLzydgOKBvO+5peWHv+i+lOaNuOSquOSAuOSsrOeRiOaMvO+mg+e7uumgveS+iealneaileavmOaBpui/hOWPhOapjueEmue6g+a6g+aHgeWquOSjgumdnOadnOaYu+Q+Yzw+Yy88goDjoL3kn7Touqzms4PmpYjln7nkgbDojLzvqJzlr5vpoLzlkYjmiZzmjLzvjo3ljpjmqJzljpDlpbvknIDijLzvppfmppfmk6roob/kjLzvr4TouIPol5HojYvmm4rlqJTnr5vpoLzlPmM8PmMvPJ2A4oG874O/5b6U5qC95JyA4j5jPD5jLzyCgOOyrOakiuadv+SMkuWFg+aqseiIuOSHuOS3teiMtua2l+a/oemMh+mDv+U+Yzw+Yy88jLzvurzlmp3lhaPourzlqJzlr5jmuaXll77liafoqo/ljLzvuITohJrnorPmoJfmmZ3ps7nlv6vlmLvkl5Hoi5znPmM8PmMvPIy874+I5qek5YSa552A4oix5ZSn5b2w5ZeP5ZK95Z6b5ZGH6YON5Z+c55yA4rqH5YC45Ia65KWh6JGE6KiK5aqH6K+b6aC85T5jPD5jLzydgOKfvO+5peWDv+WPgeWvmOaNuOSvmOamgOKmgOKsu+SWu+SIpuW4iOegveSJnOaYv+ifvO+gveSftOi6rOa7gOa5peWvmOaNuOSvmOafvO+nkOWyiei4hOiEmuentOiHgeWquOSjgumLnOeXvuWYv+iGuuS7juWem+WMvO+GuuSTmOa5ruWNuOSqpOWgveSMvO+mreWMkOW/q+WYu+ScgOKMvO+6uuSKg+aXvuWnpOWTgembiuU+Yzw+Yy88jLzvi4nmhJrnv6vlmLvkj73kk4rmsJzlqIrlgL/mhYPmnqXnjLzvlIXorLrkhJrnk4HpsJzlo4/lgLjkuaXlPmM8PmMvPJ2A4oG876e06IeB5YSa56K35amz6aCN5YCb6aq45K+Y5peR6IiQ5Yy875Ct5beg5oSa54q45Lah6bSk5aic5b+V6Zud57yc56+J5YC45LuA5o2J5aW75Lml5Ze+5Y245KqA5oy876KR5bSv6JGI5j5jPD5jLzyMvO+AkeWIpuWEmueRiOamgOKmgOK5peWdnOadnOaYu+SjgumBvO+fvO+zpeW6l+myuuSEmue2ruWYu+SvmOaNieagveSmgOKmgOKgveSBvO+3iOeppOWBgOiEmueRiOacgOI+Yzw+Yy88goDjhYPmjJDlhJrnqaTllLvmjJLlob/krr3npbvkvprphrrkobvmhYXlnqXnvJznhJrnv6vlmLvkkZDli5znPmM8PmMvPIy876Wd5r+E5bKK5Ye/6JO8542J5qmk5YqN5b2l5Yy877Cj5bqH5byR5YqD5rG35aqH6KKt5rKY6Yy877SY5YSa57G35aqH6I+95IKN5rCc5ZuM57ml5T5jPD5jLzyCgOOQreWYqeaquOSAuOSbv+ieoeW9g+iXvuWgvOW0t+W0mOU+Yzw+Yy88jLzvg5PpnJPpj4Pll77lqp7nm53nvJznjLzvpZ3mt7Xos7foirjkkK3lhaTmjrvkuYLnrrfll77lioPmr5vpoLzlPmM8PmMvPJ2A4oG875+874i55IC75JyA4j5jPD5jLzy+r+iGkOepieegq+czMqys5z5jPD5jLzyNkOWaveQ6hYDonL3kqpnpiaXlj4TmkLnkjbjkrL3kp6Tlp7rnobvmn7zvlLzmsYjnkYfpg43lh4HlPmM8