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

2?????mm

3????????

4???????

5??????????

????(????):????????????????????,????????????????,?????,?????????

?????,????,??????????????????????????

????????,??23??????????????,??3????????????,?????????????????“???????????????”?????

23????????????????,????????,?????????????

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

2023?????????,???????????????,????????????,??????????????,???????????

???????????,?????????????,????????????????

????,??????????????????????????????????,?????

???????????????????????,????????????21??????????????,???????550????,????19??,?????????????????????????

??????????????????,????????????

???460???“??”???????,????????????,???????????;?,??????,??????????????1.23????????,?????????7.9%?

?????,????,??????????????,?????16?????????????,????????????????????????4.8??,?????????????????

??,?????????????????????,??????260????,??????????1.5????????????????????????,?????????????248???????????????,?????

????,?????????12306???2000????;??????????200?????????????????3???;???????,??94%?

??????????,????????????,??????????????,???????????19????????????????,???31%;????????????????????????98%????,??????????,??????????????????(??????????????????)

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