|
|
¡ï ¡ï ¡ï Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷ wsht212(½ð±Ò+2):лл½»Á÷£¬Ï£Íû³£À´£¡ 2010-11-16 08:19:03
???(?????)?????????,??????????????????(?????,1/2???),????????????????.
??¦Å?,???????/2??,??????????????1/4?????.
????,?????,????DNA?(?§»????????),???????????????????.
??????????,
???????????§á???????????????.
[ Last edited by ????730 on 2010-11-15 at 10:53 ] |
|