????:1???95??98???:???????

2??????

3???????

4???????

5?????????

?????????11??????????????????25??? ???????:??«?»??????????????????,?????????24?????????,??????????????????,?????????????3?????????????????????????,?????????????GPS?????????????????????“??????”?

??????????,??10???,???

??????????????,???????????,???????GPS?????????,???????????????????????????????,???

«??????»????????????????,????????????????GPS???,??,?,??????

?????,?,????,????(?????) ???????????:???????