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

2???????????

3???????

4?????szsn

5??????????

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

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

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

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

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

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

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

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

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

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