·µ»Ø

¾ÅÁãºóÌìʦ

Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
µÚ¶þ°Ù¾ÅÊ®¶þÕ£ºÁÒÑæµÄ½Ù(1/2)
   ´æÊéÇ© Êé¼Ü¹ÜÀí ·µ»ØÄ¿Â¼
δ²É¼¯Õ½ÚÄÚÈÝ

µÚ¶þ°Ù¾ÅÊ®¶þÕ£ºÁÒÑæµÄ½Ù(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»Õ Ŀ¼ ÏÂÒ»Ò³