·µ»Ø

¼«µÀ½£Ö÷

Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
µÚ¶þǧ¾Å°ÙÆßʮՠ±¨¸´(1/2)
   ´æÊéÇ© Êé¼Ü¹ÜÀí ·µ»ØÄ¿Â¼
Õâ¾ÍÊÇËûµÄÏë·¨£¬±Ï¾¹²»¹ÜÊÇË­£¬×Ô¼ºµ±ÄêÔâÊÜÁËÄÇô¶àµÄÕÛÄ¥£¬ÔâÊÜÁËÄÇô¶àµÄÇüÈ裬×Ô¼ºµÄ¶«Î÷È«²¿¶¼±»ÇÀÁË£¬»¹±»ÇýÖð³öÁ˼Ò×壬ÕâÑùµÄÇüÈèËû¾ø¶ÔÊÇÒª±¨¸´»ØÀ´µÄ£¬²»¹ÜÊÇË­Êܵ½ÁËËûÕâÑùµÄÇüÈ裬¶¼ÊÇÒªºÝºÝµÄ±¨¸´»ØÀ´µÄ£¬ÕâÒ²ÊÇÈËÖ®³£Çé¡£
µÚ¶þǧ¾Å°ÙÆßʮՠ±¨¸´(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»Õ Ŀ¼ ÏÂÒ»Ò³