??????????????? ?????????

????:???????????:??????????

??6???????????????17???????????(????? ????)????????????????????,???????????????????GPS??????????????????????,????“?”????????......???????????????17???????????,??

??????????????????,???????,??,????????????,??????????GPS???????,??????“??”?????????????,??????,?????????

?????????,????????,??,????,???????????????????????,??????????????????????????????????????????,?,????????????????????????“???”???“????????”?,???

?????????,????,????,???????????4G??“???????????????”????????????????,?????????????5000???500???????????????,??,?????????

??????????????,?????????????????????,????????,?????????????6?????,???120???,?????????????

????,??????????????,??????????????????????????????,???????????????GPS“??????”????,????????????(?????) ????????????:???