Õâ¸öÊÀ½çÊÇ·ñÈçͬÎÒÃÇËù¼û£¬ÐéÐéÊµÊµÕæÕæ¼Ù¼Ù£¬·¢ÉúµÄδ·¢ÉúµÄ£¬ÔçÒÑڤڤע¶¨»¹ÊÇËæ»úżȻ£¿
Õâ¸öÊÀ½çÖ®Í⻹ÓÐÊÀ½çô£¿Ê±¼äÖ®ÍâÊÇÓÀºã»¹ÊÇÐéÎÞ£¿¿çԽʱ¼äÊÇ´©Ô½»¹ÊÇÖØÉú£¿
ÓÐÈË˵£¬Õâ¸öÓîÖæÊÇÁѱäµÄ£¬¶à²ãµÄÓîÖæ£¬¼ÈÊÇÆ½ÐÐÊÀ½ç¡£
ÎÒÃÇÿ¸öÈ˶¼Éú»îÔÚʱ¿ÕÖ®ÖУ¬¶øÔÚÆäËûƽÐÐÊÀ½çÖ®ÖУ¬ÎÒÃÇ»òÐíÓµÓÐÒ»¸öÓë×Ô¼ºÏà¶ÔÓ¦Éí·ÝµÄÈË¡£
ÓÖ»òÐíÓµÓÐÒ»¸ö½ØÈ»²»Í¬Éí·ÝµÄÈË£¬ÎÒÃǵÄÉí·Ý»áÓкܶàÖֱ仯£¬µ«ÊÇÁé»êÊÇΨһµÄ¡£
ƽÐÐÊÀ½ç²¢²»Êǹ̶¨ÊýÁ¿µÄ£¬Ã¿µ±ÎÒÃÇ×ö³öÒ»¸öÑ¡Ôñ£¬¾Í»á·ÖÁѳöÒ»¸öÍêÈ«²»Í¬µÄƽÐÐʱ¿Õ¶ÔÓ¦ÁíÍâÒ»¸öÑ¡Ôñ¡£
ǰÑÔ(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ