·µ»Ø
¼ÙÌ«¼à£º¿ª¾Ö±»Ì«ºóÑøÊ¬
Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
µÚ42Õ ÔõôÕâô¿ì¾ÍÍêÊ£¿(1/2)
´æÊéÇ©
Êé¼Ü¹ÜÀí
·µ»ØÄ¿Â¼
Öé¶ùÏëÒª·¢³öÉùÒô£¬È´·¢ÏÖ×Ô¼ºÕÅ¿ª×ìÈ´º°²»³ö£¬¾Í¸Ð¾õºÃÏñÊDZ»Ê²Ã´¶«Î÷¶ô֯סÁ˺íÁüÒ»°ã¡£
µÚ42Õ ÔõôÕâô¿ì¾ÍÍêÊ£¿(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»ÕÂ
Ŀ¼
ÏÂÒ»Ò³