??????“??????????????”?

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

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

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

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

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

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

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

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

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

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

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