·µ»Ø
´©Ô½Ö®Ìì²ÅÍõåúÄֹŴú
Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
µÚËÄÊ®ÎåÕ @,@(1/2)
´æÊéÇ©
Êé¼Ü¹ÜÀí
·µ»ØÄ¿Â¼
e£¬ÄÏÏ£¡
µÚËÄÊ®ÎåÕ @,@(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»ÕÂ
Ŀ¼
ÏÂÒ»Ò³