·µ»Ø
¼«µÀ½£Ö÷
Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
µÚÈýǧ°Ë°ÙÈýÊ®¶þÕ Âý(1/2)
´æÊéÇ©
Êé¼Ü¹ÜÀí
·µ»ØÄ¿Â¼
×Ô¼ºÔ½ÊÇÕõÔú£¬Ô½ÊDZ»Êø¸¿µÄ¸ü¼ÓµÄÀ÷º¦£¬µ½Á˺óÃæÕâλÎåÐǺóÆÚÇ¿ÕßÉõÖÁÒ»µã¶¼Åܲ»¶¯ÁË£¬ËüµÄËÙ¶È¿ÉÒÔ˵ÊǼõ»ºµ½Á˼«Ö£¬Õâ¸öʱºò£¬ËûÒ²¿´¼ûÎÀ×Ú»º»ºµÄ³öÏÖÔÚÁË×Ô¼ºµÄÃæÇ°¡£
µÚÈýǧ°Ë°ÙÈýÊ®¶þÕ Âý(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»ÕÂ
Ŀ¼
ÏÂÒ»Ò³