????:1?????VX:?????????

2???????

3????398??

4????????????

5?94??????

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

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

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

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

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

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

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

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

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

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