²»½ö½ö½»½çÏßÕâ±ßÔâÊÜÁËÒ»Åú¹Å¹ÖµÄÑô¼äÖ®È˵ÄɧÈÅ£¬·ÅÖðÖ®µØºÍÒõ˾µØ¸®Ûº¶¼³ÇÄDZßÒ²ÔâÊܵ½ÁËÑô¼äÖ®È˵Ä͵Ϯ¿ú̽¡£
ÄÇËùνµÄÑô¼äÖ®ÈË£¬Ó¦¸ÃÊÇÓòÍâµÄÄÇЩ·ðÃŵÀÃŵÄÌì½¾ÃÇÁË£¡
ËûÃÇ·ÖÅúÅÉÈËǰÍùÁËÚ¤º£¡¢·ÅÖðÖ®µØ¡¢½»½çÏߵĴóÓªÕâ±ß£¬»¹ÓÐÛº¶¼³ÇÄDZߣ¬ÆäÖ÷ҪĿµÄ¾ÍÊÇΪÁË×¥ÎÒ¡£
......
¡¶Òõʦ¡·µÚ277ÕÂ ÖØÔÖÇø
µÚ277ÕÂ ÖØÔÖÇø(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ