±ê×¼µÄÐÒ¸£²»ÖªµÀÊÇËд½ø¿Î±¾ÀïµÄ¡£ÎÒËù¸Ð¾õµ½µÄ¾ÍÊÇÎÒºÍÎÒÖÜΧµÄÈËÀëÕâÒ»ÐÒ¸£Ô½À´Ô½Ô¶£¬ÓÐÈËÉõÖÁÒª³ÉΪÉç»áµÄÒ°ÊÞ¡£Ô½À´Ô½²»Õý³££¬ÉõÖÁ¾õµÃÕâÑùÊǺÜÕý³£Ò»¼þÊ¡£²»ÖªµÀÊÇÀë¾ÅѵÀÌ«¾Ã£¬»¹ÊÇ˵±¾À´¾ÍûÓÐʲô±ê×¼¶øÑÔ£¬ÀëÆæÊÇûÓÐÏÂÏ޵ġ£Ã»ÓÐÈËÔÚÒ⣬¾ÍʲôÑùµÄ¶¼ÓС£¼´±ã±»±¨µÀ³öÀ´ÁË£¬Ò²¾ÍÊÇßñÐêÒ»Éù£¬ºóÃæ¸Ã·¢Õ¹µÄ£¬»¹ÊÇËæ±ã·¢Õ¹¡£Ã»Óй̶¨µÄ¹ìµÀ£¬²»³¯×ÅÀíÏëµÄ·½Ïò×ߣ¬³¯ÆäËûµÄ·½Ïò×ߣ¬×ß¶àÔ¶£¬¶¼ÊÇûÓÐÈËÔÚÒâµÄ¡£
±ê×¼µÄÐÒ¸£(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ