å¨
åå²å¯ç©ä¸»ä¹çæ¥ï¼ç¤¾ä¼å¯ä»¥åå为ç»æµåºç¡å
ä¸å±å»ºç两大åï¼
å
¶ä¸ä¸å±å»ºçå
æ¬æ¿æ²»ä¸å±å»ºçåææ³ä¸å±å»ºçãå¨é¶çº§ç¤¾ä¼ä¸ï¼æ¿æ²»ä¸å±å»ºçæ¯æ人们å¨ä¸å®ç»æµåºç¡ä¸å»ºèµ·çæ¿æ²»ãæ³å¾å¶åº¦ä»¥å建ç«çåéãè¦å¯ãæ³åºãçç±ãæ¿åºé¨é¨ãå
æ´¾ç
å½å®¶æºå¨åæ¿æ²»ç»ç»ãææ³ä¸å±å»ºçæ¯æéåºç»æµåºç¡ç社ä¼æè¯å½¢æï¼å
æ¬æ¿æ²»ææ³ãæ³å¾ææ³ãéå¾·ãèºæ¯ãå²å¦ãå®æççã