·µ»Ø

ħ×ð´óÈ˱»Ôüºó£¬·Ï²ÄÍõåúÐÛÆðÁË

Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
µÚ853Õ ˵¶à¶¼ÊÇÀá(1/2)
   ´æÊéÇ© Êé¼Ü¹ÜÀí ·µ»ØÄ¿Â¼
¾ýزز²îµãЦ³öÉùÀ´¡£

    ËýÁ¶¸öµ¤Ò©¶øÒÑ£¬ÔõôͻȻ¾ÍÇ£³¶µ½·òÆÞÖ®¼äµÄÊÂÇéÈ¥ÁË£¿
µÚ853Õ ˵¶à¶¼ÊÇÀá(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»Õ Ŀ¼ ÏÂÒ»Ò³