第17章(第3页)
?????????ˉ?????o?????????????ooé???o??????ˉ???è°?????¥1èˉ′???ST????-£????°±?????3????o???§??????
??1???ˉè????ˉ?????o?o?è??è???????????è???1???a??¢è???????a????|??????ˉ?????ˉèμ????é???????¥é?????è°??????????????ˉ?èμ????a?|a?|???
?????????èˉ′?o·?o-?????′è????ˉ?2?è??é???-¢???????1′???CPL?ˉ?èμ??????¥è????·?????§??§?????1?????|è???????o???
è???o????????????o????¤§???èμ¢????????-??-??¤?¤??2????é????′??¨????·2???é??è???o???????????¤§??3???
?¥1??????èˉ?è§????????-??2????è???o????????????¥???????3???????????????a??2?????????????¥???±???
????¤???????????????1?°??o??????????é??????????o??¥??????????1??????????????????£?o??¨????????o???????è′|??·é??è????ˉ?¤???o???????·¨??????
?ˉ??¥1????o??¤??1′???????????¥è′|??·é?????è′1???é?????è??è|??¤????
?o???????????¤§?¥?????°???????é?±???????o??-¤???é?¢é?¢é?????è?3?¤?????????a?-??-?????1′???????′?è′1?o????
?????3????¥1?°±?????????????o???′??-???
è????????????o????é??????o?é?2è??????????1?1?????????-?2??????-??°è??????¤????
??ˉ?a???????????oo??¨??′??-é?′????o???a???è?±?????1?1??1?é????·??·?????¨èμ·??¥???
???-????o??????????é?????????????¢?????a????¤???????
???-????o??????????é?????????????¢?????a????¤???????
???-????o??????????é?????????????¢?????a????¤???????
?o?????????£?????????????????1??o?????-??1??°é????????é??é?????è?????
#?o?????o?è??è???????????é????????#
#?-£?°??¤a?-???·?o2??£è?¤???????????a????¨??o?????????????é??#