·µ»Ø

¿ª¾Ö´ú¹Ü¶ÀÁ¢ÍÅ£¬Õð¾ªÀîÔÆÁú

Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
µÚ¾ÅÊ®¶þÕ µ½µ×Ë­ÊǶñħ(1/2)
   ´æÊéÇ© Êé¼Ü¹ÜÀí ·µ»ØÄ¿Â¼

µÚ¾ÅÊ®¶þÕ µ½µ×Ë­ÊǶñħ(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»Õ Ŀ¼ ÏÂÒ»Ò³