·µ»Ø
±»Ãð°ÔÊÕÑøµÄÈüÑÇÈË
Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
ÔÙÇë¼ÙÁ½Ìì(1/2)
´æÊéÇ©
Êé¼Ü¹ÜÀí
·µ»ØÄ¿Â¼
ÈçÌ⣬ÓеãÂé·³ÊÂÐèÒª´¦Àí£¬±¾À´ÒÔΪ×òÌìÒ»Ìì¹»ÁË£¬ÏÖÔÚ¿´À´»¹ÒªÁ½Ìì²ÅÄÜÓнá¹û¡£
½ñÌìÃ÷ÌìÓ¦¸ÃÊÇû°ì·¨Âë×ÖÁË£¬ºóÌì»Ö¸´¸üС£
Èç¹û½á¹û³öÀ´µÄ¿ì£¬ÄÇÃ÷ÌìÍíÉÏÓ¦¸ÃÄÜÂë×Ö¡£
ÔÙÇë¼ÙÁ½Ìì(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»ÕÂ
Ŀ¼
ÏÂÒ»Ò³