·µ»Ø

ÖØÉú֮ʱ´úÏÈ·æ

Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
µÚÁ½Ç§Á½°ÙÁùÊ®¾ÅÕ ²»¸É¾»µÄÈË ÏÂ(1/2)
   ´æÊéÇ© Êé¼Ü¹ÜÀí ·µ»ØÄ¿Â¼
¶ÅËø×ìÀï²»¸É¾»È˵ÄÈË£¬²¢²»ÊÇÄÇЩ·¸·¨µÄ£¬ÓÖ»òÕß¼äµýÖ®ÀàµÄÈË¡£µ±È»ÕâЩÈËÒ²ÓÐÒ²Ïë½Ó½üС»¢Í·£¬Ö»²»¹ý¶¼±»µ²ÔÚÁËÍâΧ¡£¶ÅËøËù˵µÄ²»¸É¾»µÄÈË¿ÉÒÔ¹é½áÓÚÆ­×ÓÕâÒ»À࣬µ«ÓÖ²»Êǵ¥´¿µÄÆ­×Ó¡£¡·È«ÎÄ×Ö¸üÐÂ,ÀμÇÍøÖ·:
,

µÚÁ½Ç§Á½°ÙÁùÊ®¾ÅÕ ²»¸É¾»µÄÈË ÏÂ(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»Õ Ŀ¼ ÏÂÒ»Ò³