·µ»Ø

ΪÁ˳ÉΪӢÁéÎÒÖ»ºÃÔÚÀúÊ·Àï¸ãÊÂ

Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
µÚһǧһ°Ù°ËÊ®ÎåÕ ¿´µ½»ÙÃ𣬺ÁÎÞ°ì·¨(1/2)
   ´æÊéÇ© Êé¼Ü¹ÜÀí ·µ»ØÄ¿Â¼
¡°ÎÒ¿´µ½ÁË»ÙÃð£¬È´²»ÖªµÀ»ÙÃðµÄʱ¼ä£¬Ò²²»ÖªµÀ»ÙÃðµÄÔ­Òò......ÎÒÏÝÈëÁ˻̿֡£¡±¡·È«ÎÄ×Ö¸üÐÂ,ÀμÇÍøÖ·:
,

µÚһǧһ°Ù°ËÊ®ÎåÕ ¿´µ½»ÙÃ𣬺ÁÎÞ°ì·¨(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»Õ Ŀ¼ ÏÂÒ»Ò³