·µ»Ø

ÎÒÕæ²»ÊÇ´óÃ÷ÐÇѽ

Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
ÎÞ(1/2)
   ´æÊéÇ© Êé¼Ü¹ÜÀí ·µ»ØÄ¿Â¼
ËýÊÇһλ»îÆÃ¿É°®µÄСŮº¢£¬°×¾»µÄ¹Ï×ÓÁ³£¬ÍäÍäµÄüëÏÂһ˫ˮÁéÁéµÄÑÛ¾¦¡£Ëý°®³ª¸è£¬¸ü°®ÌøÎ裬»¹²Î¼ÓÁËУÎ赸¶ÓÄØ£¡Ëý´©×ÅÄǼþºìµØ°×»¨µÄÁ¬ÒÂȹ£¬ÌøÎèʱ£¬¶¯×÷ÓÅÃÀ¼«ÁË£¡
ÎÞ(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»Õ Ŀ¼ ÏÂÒ»Ò³