·µ»Ø
ÏÉ·û±ä
Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
µÚÒ»°ÙÎåÊ®ËÄ»Ø ÀÇȺ¹¥³Ç(1/2)
´æÊéÇ©
Êé¼Ü¹ÜÀí
·µ»ØÄ¿Â¼
´ó¼ÒºÃ£¬½ñÌìʵÔÚÌ«ÀÛÁË£¬µÚ¶þÕÂд²»³öÀ´ÁË£¬¸ú´ó¼ÒÇë¸ö¼Ùc
µÚÒ»°ÙÎåÊ®ËÄ»Ø ÀÇȺ¹¥³Ç(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»ÕÂ
Ŀ¼
ÏÂÒ»Ò³