????:1??????:??????????

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

3????????????

4?????????150

5???????

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

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

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

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

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

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

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

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

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

???????:??