??????“??????????????”?

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

???????????11???????????27??????????? (??)??????4??????????;????????,????;??????,?????……???????????,???????31?????????,???????????,???????????“?”?

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

??????,??????????,?,????????,??????????????????4???????????,?????????????,???????????????????????,???

?,??????2006?????????????,???????????2??????,??????????GSM-R??????????,??????“???????????????????????????????????”,?“?”?

?????,???????????????????,???????????????????????????????,?????????????,??????????,?????????,???????????????GSM-R?????????

?????,????????“??????????”????????????????,???????????2011???,??????????????????,??????????????(????)????,??

???????????,??,???????????????????,????????2012??????,???????“??”“??????”???????????????

??????,?,??????,????????,??????????,?????????????????26??????,????8???????????????????

??????????31????,????????????????????????????????????????????????????????????????????????,2023?????????,???????,???????(??????)

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