µÚһǧÎå°Ù¾ÅÊ®ÎåÕ ¾ªÏÅ(1/2)
ÔÚ²»¶ÏµÄÊÕËõ£¬½«×Ô¼ºÀ§ÔÚÁËÆäÖС£
ÕâÔõô¿ÉÄÜ£¿
ÀîºÆÃ÷Ò»Á³ÄÑÒÔÖÃÐŵÄ̧ÆðÁËÍ·£¬Ä¿¹âÖ®Öж¼ÊǾªº§µÄÉñÉ«¡£
ÄѵÀ¡¡ÎÀ×ÚÒ²ÊǽµÁÙÕߣ¿
µ«ÊÇ¡¡×Ô¼ºÃ»ÓдÓËûÉíÉϸÐÊܵ½½µÁÙÕߵįøÏ¢°¡£¬¶øÇÒ¡¡ËûҲûÓÐÒµÁ¦£¬Ôõô¿ÉÄÜÊǽµÁÙÕߣ¿
µÚһǧÎå°Ù¾ÅÊ®ÎåÕ ¾ªÏÅ(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ