·µ»Ø
ÁéÎäß±¾ÅÌì
Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
×òÌìÉÏ´«£¬ÉÙÁËÒ»Õ£¬±§Ç¸(1/2)
´æÊéÇ©
Êé¼Ü¹ÜÀí
·µ»ØÄ¿Â¼
±§Ç¸£¬×òÌìÉÙÉÏ´«ÁËÒ»Õ£¬ÒѾ²¹ÉÏ£¬Ã¿Ìì¿´¸üеÄÅóÓÑ£¬ÕâÀïҪ˵Éù±§Ç¸ÁË£¬ÒѾ°ÑÖмäÉÙµÄÄÇÒ»Õ²¹ÉÏÁË¡£
×òÌìÉÏ´«£¬ÉÙÁËÒ»Õ£¬±§Ç¸(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»ÕÂ
Ŀ¼
ÏÂÒ»Ò³