·µ»Ø
ÇîС×ÓÐÞÐмÇ
Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
µÚÈýÊ®¶þÕ ·¢ÁË(1/2)
´æÊéÇ©
Êé¼Ü¹ÜÀí
·µ»ØÄ¿Â¼
»¶Ó¹ã´óÊéÓѹâÁÙÔĶÁ£¬×îС¢×î¿ì¡¢×î»ðµÄÁ¬ÔØ×÷Æ·¾¡ÔÚÆðµãÔ´´£¡
µÚÈýÊ®¶þÕ ·¢ÁË(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»ÕÂ
Ŀ¼
ÏÂÒ»Ò³