ÓÐЩ²Ö´ÙµÄÍê±¾¡£
ÆäʵҲ»¹¿ÉÒÔÍùÏÂд£¬µ«×÷ÕßÒѾûʲôºÃдµÄÁË¡£
ÓÚÊÇÎÒ¾ÍÏ룬ÓëÆä¼ÌÐø²»ÖªµÀдɶµÄË®×ÖÊýµ½ÎÞÈËÎʽò£¬»¹²»Èç¾ÍÕâÑùÔçÔçµÄÊÕ³¡£¬Ð»Ä»¡£
¶ÔÄÇЩÆÚ´ý×Å×÷Õß¼ÌÐøÐ´ºóÐø¾çÇéµÄ¶ÁÕßÅóÓÑ£¬×÷ÕßÔÚÕâÀï˵Éù±§Ç¸£¬¶Ô²»Æð¡£
¾Ï¹ª¡ª¡ª
¶ÔÄÇЩһֱ¼á³ÖÅã°é£¬Ö§³Ö×÷Õßµ½ÕâÀïµÄ¶ÁÕßÅóÓÑ£¬×÷ÕßÔÚÕâÀï˵Éù¸Ðл£¬Ð»Ð»¡£
Íê±¾¸ÐÑÔ(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ