·µ»Ø
¼«µÀ½£Ö÷
Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
µÚһǧ°Ë°ÙÎåÊ®ÎåÕ ÒýÀ´(1/2)
´æÊéÇ©
Êé¼Ü¹ÜÀí
·µ»ØÄ¿Â¼
ÎÀ×ÚÃ͵ØÄ¿¹âÒ»ÉÁ£¬ºÜ¿ì¾ÍÏëµ½ÁËÕâÒ»¸ö¿ÉÄÜ¡£
µÚһǧ°Ë°ÙÎåÊ®ÎåÕ ÒýÀ´(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»ÕÂ
Ŀ¼
ÏÂÒ»Ò³