·µ»Ø
³¬¼¶·¿¶«ÏµÍ³
Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
µÚһǧ¶þ°ÙËÄÊ®ÆßÕ ɽÂö(1/2)
´æÊéÇ©
Êé¼Ü¹ÜÀí
·µ»ØÄ¿Â¼
ÒòΪÀîÌìÑôµ±Ê±µÄÖ¸µã£¬ÍõÇå²ÅÄÜ´ïµ½ÐþÆ·£¬ËùÒÔÍõÇåÒ»Ö±°ÑÀîÌìÑôµ±×÷´ó¸ç¿´´ý¡£´Ë¿Ì¿´µ½ÀîÌìÑôµÄÉíÌåºÃÁË£¬Ëû×ÔȻҲÊǸе½Ê®·Ö¸ßÐË¡£
¡°ºô¡¡¡±
µÚһǧ¶þ°ÙËÄÊ®ÆßÕ ɽÂö(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»ÕÂ
Ŀ¼
ÏÂÒ»Ò³