·µ»Ø

Öïа

Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
µÚÈý°Ù°ËʮՠÈË¿¿ÒÂ×°(1/2)
   ´æÊéÇ© Êé¼Ü¹ÜÀí ·µ»ØÄ¿Â¼
ÕâµÀÉùÒôºÜ¿ì¾ÍÎüÒýÁËÅÖ×ÓµÄ×¢ÒâÁ¦¡£

    ÅÖ×Ó˵Á˾䣺¡°ÕÆÃÅ£¬ÄãÌý¼ûÁËÂð£¿ÓÐÈ˺°ºÜ¶à±¦±´°¡£¡ÔÛÃÇ¿ìµã¹ýÈ¥°É¡£¡±
µÚÈý°Ù°ËʮՠÈË¿¿ÒÂ×°(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»Õ Ŀ¼ ÏÂÒ»Ò³