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

2???????

3??????

4???????

5?????vx

??9?25?????????????? ?????????25?,?????????????????????????300?????????????,?????????????

?????????,?????????300????????????,????(????)???????????????????7??,??????????????????????,????????

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

???,?????????,????????????????????????????1??,???

??????????,?????????2023?????????10?,????300?????????????????????,??????????????????,??6900???

?,???12????????2023??10???(?????)?,??????????????????????,???“???”??????

???????????,????????????,2024??????????8200?,??????6800??????????,????????????1.5?????(?????????) ?????:????