·µ»Ø
Ã÷Ôô
Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
Çë¼ÙÒ»Ìì(1/2)
´æÊéÇ©
Êé¼Ü¹ÜÀí
·µ»ØÄ¿Â¼
½ñÌì͵¸öÀÁ£¬Ã÷Ìì²¹ÉÏ¡¡
¹òÇóÒ»ÇÐÖ§³Ö£¬Ð¡´¬¶àл£¡£¡£¡
Çë¼ÙÒ»Ìì(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»ÕÂ
Ŀ¼
ÏÂÒ»Ò³