1?????????23???,?????,??
???,????661?700????,??????????????????8.6??????????????????9.4????????????????,????(????????)
????:????
?????:??????????????
????????4????????????
??«??»?????????????
???????«????»?????????
??????????????????????
?????????????????????
???GPS??2????:????????
??????????4??????????
?????????????????10?????
????:??????“???”??????
???:???????????????????
???:?????????????????
?????1.2?A??????????????
?????????????????????
?????????????????????:No!
???GPS??2????:????????
???GPS??2????:????????
????????????????????
??????136??????????????
??:???????????????????
??????J?:?????????????
??????????5?7??????????
?????:???????????????
DirectFX:????????????????
????????????????????