第7章（第2页）

?2???a???è???2??????￡???????°±??±???????¤′???????????￡???èˉ-?°???′è???????|????????1???

a??è???????ˉ??o?o??13??ˉ??????é￡??3￠??????è???????′?????????????????ˉ?|?????-????è???§?èˉ??????￥??????è|????èˉ′?o????a??

????￠?????????????????￥?é??????°±????????????????|?????????ˉ?????¤????¨???·???

?-??ˉ??1????èμ??????°??a?o?????-??????????????1???3èˉ′????1???????è????ˉ???????o????

?2???a??????????-???????????o?è?a??￥??o??ˉ??????è??è?????????????ˉ?2???￥???????·±?°′???

?￥1?2????è§￡é??????1??????aèˉ′???a????????????￥?????????????è￥????a??

èˉ′???????￥1?????°è?a?·±???é?′???????¤??°?è?????????￥?????????????èμ°???

?-?????????′??¨?-¤???è????￥?o?????￡°é?3????o?????2????a????????è|????èμ°???a??

?2???a???????????¨?????????????2????????-????

?￥1?????????è§??-???????????o???|èo???°???èμ·????????°????????????????o????

é?￡??ˉ?±??o?a???-???????a???????????èˉ??????¨???

??????????ˉ????è§??????|?1±?????????????°±????????°è??è?a?·±?¤′??????

?-???????è§??￥1?2????è?a?·±??????????2??2?????°?????????????????￥1??????è?????a?????????o????a??

a????°??¨?¤?é?￠é????ˉè?°è??????????3?????a??????è???????a???a??

?2???a???é?￠???è?¨?????°??????????????′??°????°?????????????

?-??????????èˉ′???a??è?3?°??-???°????????????????¤??1???????èμ°???a??

?2???a?????3??°è?a?·±è|????????o????é?????è?a?·±??·é???????￥???a???????￥é???o????a??

?-???????è?????????￡°????o???￡?°????a??é?￡?????§??-?????¨è??é????????????o?????o¤?????????a??

èˉ′??????è??èo??|?????o????