·µ»Ø
°¢×ÈÌØ¿ËµÄÓÀÉúÕß
Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
һǧÁù°ÙÆßÊ®ÆßÕ ³¯¹±Ö®Â·£¬¾µ²´ºþ£¬¾üÒ¯ÈÄÃü£¡(1/2)
´æÊéÇ©
Êé¼Ü¹ÜÀí
·µ»ØÄ¿Â¼
ÕýÔÚÊÖ´òÖУ¬ÇëÉÔµÈÆ¬¿Ì£¬ÄÚÈݸüкó£¬ÇëÖØÐÂË¢ÐÂÒ³Ãæ£¬¼´¿É»ñÈ¡×îиüУ¡
һǧÁù°ÙÆßÊ®ÆßÕ ³¯¹±Ö®Â·£¬¾µ²´ºþ£¬¾üÒ¯ÈÄÃü£¡(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»ÕÂ
Ŀ¼
ÏÂÒ»Ò³