·µ»Ø

Èý½çѪ¸è

Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
ÖÜÒ»£¬ÖÜÒ»£¡(1/2)
   ´æÊéÇ© Êé¼Ü¹ÜÀí ·µ»ØÄ¿Â¼
ÓÖÊÇÖÜÒ»£¬ÍƼöƱ´ó¼ÒÒ»¶¨Òª¼ÇµÃͶ¸øÖíÍ·£¡

    Ò»ÖÜÖ®¼ÆÔÚÖÜÒ»£¬ÕâÖܵÄÈÕ×Ӻùý²»ºÃ¹ý£¬¾Í¿´´ó¼ÒÖÜÒ»ÄÜ·ñ¼ÇµÃ¸øÖíͷͶƱ¿©¡£
ÖÜÒ»£¬ÖÜÒ»£¡(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»Õ Ŀ¼ ÏÂÒ»Ò³