·µ»Ø
±ÌÀ¶º½ÏߣºÎÒ´ø×űÏÒµ¸ÛÇø´©Ô½ÁË
Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
Çë¼Ù֪ͨ(1/2)
´æÊéÇ©
Êé¼Ü¹ÜÀí
·µ»ØÄ¿Â¼
Çë¼Ù֪ͨ
Íò·Ö±§Ç¸½ñÈÕ³öÃÅÓм±Ê£¬Ã÷ÈձؼӸü£¡
Çë¼Ù֪ͨ(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»ÕÂ
Ŀ¼
ÏÂÒ»Ò³