ÕâÊǵÚÈý´ÎдÉϼܸÐÑÔÁË£¬Ê±¼ä¹ýµÃÕæ¿ì°¡¡£
Èç´ó¼ÒËù¼û£¬Õâ±¾ÊéµÄ³É¼¨ÒѾ³¹µ×ÆËÁË£¬×·¶Á²Å¼¸°Ù£¬Éϲ»ÁËÈý½£¬Ö»ÄÜÉϼܡ£
ÎÒ¼ÇסÁËÉϱ¾Êé½Ìѵ£¬È´Íü¼ÇÁËÉϱ¾ÊéµÄÓŵ㣬»¹°Ñȱµã¸ø´ø¹ýÀ´ÁË¡£
Æäʵдµ½Ò»°ëµÄʱºò¾ÍÒѾ²ì¾õµ½£¬ºóÃæÒ²ÔÚŬÁ¦µ÷Õû£¬¿ÉÊÇ×÷Óò»´ó¡£
˵À´ºÃЦ£¬Éϱ¾ÊéÎÒÊǸÏѼ×ÓÉϼܣ¬ºÜ²Ö´ÙдµÄ£¬³É¼¨·´¶ø½ÏºÃ£¬Õâ±¾Êé×¼±¸ÁËÒ»¶Îʱ¼ä£¬½á¹ûÖ±½ÓÀ¿è£¬ÊµÔÚÊÇÔí»¬ÅªÈË¡£
×¼±¸Õâ±¾ÊéµÄʱºò£¬ÎÒÏëÒª³¢ÊÔÒ»ÏÂеķç¸ñ£¬ÂúÄÔ×ÓÏëҪдÉî¿ÌÒ»µã£¬È»ºó±»ÏÖʵºýÒ»Á³¡£
ÊÂʵ֤Ã÷£¬È˲»ÄÜÌ«¸ß¿´×Ô¼º£¬¹óÔÚ×ÔÖªÖ®Ã÷£¬²»ÒªÇáÒ׳¢ÊÔ×Ô¼º²»Éó¤µÄ¶«Î÷¡£
Ã÷ÌìÉϼÜ(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ