第七章（第3页）

请退出浏览器阅读模式，否则将导致章节内容缺失及无法阅读下一章。

a???????°?o?è|?é?1è???°???°????1???????????????????é???-?è?????è????????a??

a???ˉ1???èμ·?ˉ1???èμ·???????????????é￥-??§?????¨??????é?2è?￥????1???·???????????ˉ?????′??3????????o?????????a??

é?????????a??????????è???-￥???

?￥1??????è°￠???é?????a???????ˉ?????ˉ????o?????1??ˉ1???èμ·???????o????a??

?￥1??¨??????è?ˉ??????èˉ-?°????

è·?è°￠???é??????¤?????1′????￥1????1?????o?è§￡??????

?????aé??????????2????¤§?°???·????????￥?2??ˉ1?￥1?|??-¤????￡°????°?è???????′???è?3?o?èˉ′a???ˉ1???èμ·a??è???????a?-????

?￥1è?3???é????3???é????o????1?è°￠???èˉo???????????????è?a?·±?|??-¤?????????

?￥1?????￥é???2??????°è??è?a?·±?????????è???¨????è§?é￠????

é?¤?o?è°￠???é?????è????????????o???a??￥é????????

a???????ˉ?????ˉ???????????§?????????è§?é￠????è°￠???èˉo?o????a??

è°￠???é????????????￥?èo2é?aèμ·??￥?????ˉ??ˉ?????????

é?????????¤±?????°é?-?????????????￥1?????3????¤?é??????1??????aè§????????ˉ????

a??è°￠???é???????????????￥?è???￥???￡?????????è??????-¤é????a???a??

a?????????1??????????a??è°￠???é?????????￥3??????????·′???a?????è§??????ˉ??????è|?è???????′??¨?o??????????a??

é?????????￠????è???-???????è???????o???a??é??é???????ˉ??????a??

a???￥?????￥??￥??￥????a??

è°￠???é????????????????·???é?????a?????è???°±??ˉ??a?????-????????????è?a?·±?????a?oo????o?????????°??????è·??????￥??-????±???????a??

é????????????′§?????3è??èo??|????????3a?°′??¨??????é?????è???????′?§?????2????è????????

请退出浏览器阅读模式，否则将导致章节内容缺失及无法阅读下一章。