??????????????????????
??????????????δ????????2011-05-27 17:06:53
????“???????”??????
??5?? ???????
??С????′??????????????
???“???????”??????
3?????????
???????5????????????????????????????????????——???×5??????×1+???×1???????×1?????×1??G??×500+????500+????????×1??
???????:??????????????????40407?????????????40407???????????α? ????
????????????????????????????????????????40407???????40407????????
