·µ»Ø
ΪÁ˳ÉΪӢÁéÎÒÖ»ºÃÔÚÀúÊ·Àï¸ãÊÂ
Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
µÚ°Ë°ÙÁùÊ®ÁùÕÂ ÇØ¼ÎºÍ¾°¾Ô£¬ÁíÒ»¸ö³þ(1/2)
´æÊéÇ©
Êé¼Ü¹ÜÀí
·µ»ØÄ¿Â¼
µÚ¶þÌìÒ»´óÔ磬Ì컹ûÍêÈ«ÁÁÆðÀ´£¬ÏîÓð¾Í´ÓÏî¬ÄÇÀïµÃµ½ÁË×Ô¼ºµÄÏÂÒ»²½¡£¡·È«ÎÄ×Ö¸üÐÂ,ÀμÇÍøÖ·:,
µÚ°Ë°ÙÁùÊ®ÁùÕÂ ÇØ¼ÎºÍ¾°¾Ô£¬ÁíÒ»¸ö³þ(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»ÕÂ
Ŀ¼
ÏÂÒ»Ò³