?? ????????????? ????????
![](https://image.chezhanri.com/2019/0926/20190926101220227.jpg)
????:1????????:????????
2????????????
3????????
4???1000?????
5???????
6??????????????????????????????????????17????21?,???,??,???,??????????????“??????????2024?????????1???”????????,??????????,????????????????,???????????????????
????,??????????????,?VHF??,?,?????????????????,?????????????????????????,???23?,?????,?????????????????????????????????,?????
?????,??????????????,??????,??????????,???????,??????????????????????,??,???,????????,?????????????????,????(??????????? ????)
???:????