·µ»Ø
È˼äÔÓ̸
Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
·ºÀÄ(1/2)
´æÊéÇ©
Êé¼Ü¹ÜÀí
·µ»ØÄ¿Â¼
Õ³³íµÄ»°Ó¸ÕÒ»¿ªÊ¼»áÈÃÈËÊܳèÈô¾ª£¬µ«¶ÔÈË·ºÀĵĹØÐÄ»áÈÃÈ˾õµÃ²»ÖµÒ»ÎÄ¡£
±ÈÆðÕâЩ£¬Ôڹؼüʱ¿Ì»¨³öÐÄ˼×ö³öһЩÊÂÇ飬¸üÄÜÈÃÈËÐÄÉú²¨À½¡£
·ºÀÄ(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»ÕÂ
Ŀ¼
ÏÂÒ»Ò³