·µ»Ø
Ö´±Þ֮ʿ
Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
Ò»²¨ÈýÕÛ ¹Ì̬ӲÅÌÒ²»µÁË(1/2)
´æÊéÇ©
Êé¼Ü¹ÜÀí
·µ»ØÄ¿Â¼
Ó²ÅÌÒ²»µÁË£¬ÎÞ·¨¶ÁÈ¡Êý¾Ý£¬¸å¼þÔÝʱ¿½²»³öÀ´£¬Ã÷ÌìȥάÐ޵꿴Äܲ»ÄÜ¿ªÅÌ¿½±´Êý¾Ý£¬²»Ðеϰ¾ÍÖ»ÄÜÖØÐ´ÁË£¬×îÍíºóÌì»Ö¸´¸üС£
Ò»²¨ÈýÕÛ ¹Ì̬ӲÅÌÒ²»µÁË(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»ÕÂ
Ŀ¼
ÏÂÒ»Ò³