第5章
??ʮ?????ޣ?????һ???İ?ť?????O?O?@?@?ؾ?????һ?????ƴ?С??????Ӱ??ģ???????????????????һ??Ƥ?ƵĿ????ϣ???Щ???ͷ???????һ?۵??ϰ???????к??? ???????к????ϵ??????????Щ?ɻ????????ﲻ????Ȥ????ô??????˸????????????????????ֻ??е??????е?????˵??Dz??¹?ͷ????Ϊ?ǽ??????????????壬һ????????????????Ӫ????ץ??????ȫ??Ϊ??????? ?????ǿ?????????ʮ?а˾Ŷ??ǻ??????û?ã??ϻ??????óԼ????Ӳ?????ɿڣ??³????Ժ????Ѿ????ñ??ʣ?ʮ??ֻ?????Ŷ???ϳ?ȥ???ˣ???ʣ??һ????????û??????ϡ?н???????????ؿ??????????????ﾹ?Ǹ??????ʮ?߿?ʼ????Ȥ?? ??ʮ?????????????ص??????к??Ĵ???һ?ţ?û???κη?Ӧ??????????һ?ţ????Dz??????????? ??????Щ?????ش???????????????????????????tm????ʰ?ˣ??Լ???ʰȥ?ɣ??? ????????ſ???Լ?ר????ɳ??????ǰצ??????ֻ???˵??۾???????ʮ?߱???ر?Թ??Ƴ??һ?ۣ???װû?????? ??û?ȵ??????Ķ?????ʮ????????һ?????????????ֵ?ץס?к??????ȣ??????ϵ????뷿??ԶһЩ?Ŀյ??ϣ??Ĵ??????ϵ????ۣ?ת???뿪?? ??ûһ???????????????Ը?Ĵӷ???????????к?ʬ???Ա?????һ?????dz?Ŀӣ????к??Ͻ???????????????ֻ?ȥ?ˡ???Ϊһֻ?۾????ˣ???û??ע??к???һֻ?ֱ?¶?????桭?? ????ҹ???ƾɵij?????????һ?????ݣ?һֻ?ֱ????????ĵ??Ϻ??Ұ?????ûһ?????һ????????????С?˴??????????????ֻ?????ˣ??˿̵????????ꤣ?????ҹɫ?е????????Ľ?Ĺ⣬??㱼???ó?????Ӧ??ζ??Ҳ????????ʣ??һ?????????????һ??????????Ҫ??????ʱ?????Ƽ??˲?Զ???ij????? ???տ????????ϣ????е????䷿??ҹɫ??¶??һ˿???أ?һ?????į??????????????ŵؿ???Сһ??ķ??䣬????????Χ??û???춯?????????ƿ????ڵ??ţ??????????һƬ????????????Χ?????Σ?û???????κ?ʳ??һ???ʸеĶ????????????ż??ֺ??£????Ǵ˿????????ͷ?ȴ??£???׳?ŵ??Ӽ???????????????һ?????????????˼?Ƭ??????????̻??ʣ?û?ȳԼ??ڣ????ĺ?һ????????ת?????ڰ???һ????ӫӫ??С???????ĵķ??Ź⡣ ?????ݸо???????ʶ??һ?????飬???˶??????????????ˣ?????????ҹ???Լ????븹?е???ֻҰ?ޣ?һ????Ϥ?Ŀ־?Ϯ????????һ?ߺ??ˣ?һ????????Ѱ?ҿ????õ???????????????????һ??ӲӲ?ı????ֵģ?????ģ???Ӳ?Ľ?????????????ɷ????????? ??????һ?????ƽ???????һ???????ˣ?ͻȻ????һ?𣬺?ײ??һ????ʵ?Ķ?????????æ??ͷ????ͷ????ڰ??е???Ӱ??˳?ƽ???????????Ӱ?? ?????????????ŵ????ĵĻ???ζ????????Ϣ???ղ???һ?´??????һ?????ֲ?????Ӧ???Ǵ????????ˣ???????????һ???ƺߣ???Ѹ??ת?????ӣ??Ƶ?????һ?ߣ?????????????γ?һ??????վλ?????????ҳ????亹ֱ????ʱ??ʱ?ػ??????????ӵĹ????????? ??ͻȻ??ž?һ????ͷ???ĵ????ˣ????۵Ĺ?â????һ????????ݵ??ۣ????????ø첲?ڹ⣬Ҳ????һ˲?䣬???ݸо???һ?ɼ?????????????ȵ?????ʱ?ŷ??֣???????????Ѿ??????ˣ????ĺе?˿˿???⣬???һ?ͷ???˿?????վ?ŵIJ?֪??????ʲô????????Ƴ??һ?ۿ?????˫??˲?䷢????̱???ڵء????????????ƣ????Ų?æ?????Ų??ӣ??ý?ʣ??һֻ?۾????????ݣ?Խ??Խ????ʱ??ʱ?ػ????????˵ĵͺ?¶??????????????????ϵ??Ż????ݡ? ?????ݿ??????????۾?????????ʶ???????????ϵĶ?????ʲô?ˣ??뵽?Լ????ܴ???????????ӵ??۾??????????????????????????ò?????ҽ????????³????ɣ?ת?????룬˵?????????˾Ͳ????ٻ?????ˣ????ܻ???һ???????أ????Dz?֪?????????ж??ۣ???Ȼ??????𣿾???ô???ţ????ݷ???û??ô???ˣ??????????Ƶ?վ?????????????????ˣ????̲?סתͷƳ??һ?ۣ????䣡 ??????Ƴ??ʮ?ߵ?ģ??????һ?о??????䣬˵?????????䣬??????ˣ? ?????ˣ????Ǻ???Ҳ????ν??????ľ????????࣬?????????ľ????????Ǿ????˺ü??Σ?????һ?????кβ??ɣ? ????????????һ????????һ????к?????һ???ַ?ʽȥ????Ŀǰ?Ѿ??????????Σ??δβ?ͬ????ʽ??ͬ????ʹ??ͬ??ʱ????ͬ????Ȼû??һ???ֻ?????????Ҳ???DZȱ??˶???һЩ???飬ǰ?б????????˵ľ???Ҳ???ǵ?һ?θ??ܣ????DZ??????˵???ʹ??????Щ̫???ڿ??£???????㣬??????ϣ????????????????????ʹ??ؽ?????? ???? ???????? ?????? ?????ݻ??ں?˼?????ţ???????????ǰ?Ļ?е??????????????????????????ʮ???֣?????ɭɭ?????? ??????ɱ???Ұɣ?????תͷ??????ʮ?ߣ??Ͽҵؿ?????????֪???Լ?û?л?·?ˣ???һ·?ϵı??????õ??Ľ???????????????գ????????????ѡ??ɱ????????˭???Ͼ????ڵ??˻???ǹ?˶??ȱ?һֻ???????˵ĸ?????е??????????ȥʹ??Ҫ??һЩ??