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

2????????

3?????

4???????

5???????????

????9???????????????????????27???? ?????????:??????????????

? ?????????

????,?????????????????????BR450?,????????,?????

?,??????????25.86?????????????????????????,?????????????10??????????????

?9?????22???????,???,???????? ??? ???????????????????????????

????????,???BR450????????????,?,???????????????????,????????,????????,?????????????????,??????“???”,?????

??,????,??,?????????????9????15??????17????????????,????????????????10??????,?,“?????????????”?

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

?????9?????22??,????????,????????????????????? ???? ??????

???,???????,?????300?????????????,??,???????????????????????????????????????????????????????????

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

???????,?????????????9??????13????,??????????2024?????18????????,??50.6%???????????????2023??????????????????86256????????????????????,?????

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

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

??????????,???????????????500????????,??

“????????????????5?????????????????”???,?????????????,????????,?????????,???????????????????

???“?,??????,??”????,“?15??,???????”(???????)

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