????????é¢?ï¼?CBA?¨æ?????¨æ????è°?èµ?举è? ??ç»?????è£??¤å???ºç???
?????°å??社é??å²?3??20?¥ç? CBA?¨æ?????¨æ??0?¥è??¥ä??ºå???ºå?è£?????è°?èµ?ï¼?CBA????é«?管ã????ç»?????????以å??è£??¤å?????ºç?????
????CBA????é¦?å¸??§è?å®?å¼???表示ï¼?????å²????座ç???æ°??´æ???????å¸?ï¼???ä¸???CBA??èµ?????æ·±å????æ¸?æº?????å²?ä¸?ä½??¥æ??ä¸??????ä¸?ä¿???CBA????ï¼??´æ???¨æ??è¿?3å¹´å??ï¼?两æ???ä¸?BA?¨æ?????¨æ????举å???°ã????
????æ¯?èµ??±å??ä¸?????ç¬????ä¸??????¨å?¨å??V5èµ??¶ï?????å¾???5?????·è????ç¬??????为æ??ç¯?Kèµ?ï¼?两é????æ´¾å??????????ä¸?æ¯?èµ?ï¼?ä¾?次å?¨ç?ä¸???ä¸??离ã??ä¸?????ä¸??ºè?è¡???ç¯???????¨é?¨å?½ä¸????ä¼??·è????
????æ¯?èµ???BA?????£ä??¿å???å¼?????ä¸?å¼??ºï?CBA??èµ???两å??广ä?????è¾½å?????主å?????????ä¸??¨é¸£?´æ?¥å?ä½??»é?²ï????¨é??ä»?5ï¼?20??????????ï¼??????¿ä?ç¬??????ç¬????????ç¯?Kèµ?????BA??èµ?ä¸????¿è?ç¨???å°???æµ?æ±????´å????å±±ä???é«?è¯?岩é?é¢?????ï¼?????å¼???ä¸??ºå?ºæ??ä¸??»å?½ä¸ï¼?å¸??©æ???????³å??ä¸?å±???ç¬?????³è??å±?ï¼?æµ?æ±???主å???ç»´ä????´å??å¸?å¾?对ä?ï¼?ä¸?æ¯?²¡????ä¸?????ï¼??ºé???åºþ@????æ¿??????¨å??ç»´ä???é«????²å?ä¸?ï¼?ç¥??????´å??ä¸?????ç«???ä¸??½ä¸??
?????¼å?ä¸???????????ºæ?èµ?ä¹?让ç????ä»??ä¼?äº?ä¸???å½?è£??¤å??????è§???ç¬?????±é?è¯?岩å?¹ç?æ¯?èµ?ï¼??¨å??ç»´ä?ä¸?次ä?ç¯??ç¨?ä¸???´å??ä¸????²å?ï¼???ç»´ä?é«??¾åº¦?¨ä?å°?????è¿?ï¼?é«?è¯?岩å?¹ç?2+1ï¼??´å???³è???·±æ²¡ç??°å??ç»´ä?ï¼?é«?è¯?岩æ?????¹ç??´å???????????é«?è¯?岩è?ï¼???è¿?次å?¤ç??¹æ?????°è??¤å??????ï¼?å®?è¡??¶å?å¿?è§???ï¼?å¸???大å??±å??ç»´æ??BA??èµ?????æ¤è?ä¸??ºï?å¼?èµ·ä???è¾¹æ??ç»?å¸???????大ç???
??????ç»?ï¼????¨é??ä»?5ï¼?9èµ¢å?ç¬????ï¼?ä»???以æ?»æ???2ï¼?1?·å???è°?èµ????©ã??èµ???????表示ï¼???è¿?次æ?èµ???è¿?äº???ç»???è£??¤å??????以å??å·¥ä?人å??ä¹??´ç??è·?离ï?大å???»¥ä½?ä¼??°èº«å¤?ä¸???ä½?ç½???è§?åºþ??????ï¼???»¥?´å¥½?°æ?¨å?¨ä¸?½ç?????CBA??èµ?????å±??????¨é¸£è¡¨ç¤ºï¼???è¿??·ç??æ¯?èµ??½è?è£??¤å????????ç»?äº??¸æ???ï¼?äº??¸ç??解ï????????????
?
