?? ?????????? ???????????
????:1??????????:????400????
2?????
3???????
4??????????
5??????
????????6?16?????????????(??????????? ?)?16?????????????,?????????????,???,????????,??????????????
?6??15????????15??????????????????12300??????????????6????????15?15???,???????80.65??????(??82.5?????),???????12300?,????????,??????1.2???????????????
??????????????,????????????????,???????????????,??????“????”??????????????,????????,??VHF(??????)??????????????????????????????????,????????????
???????????????????????,??????????,????????????????,???????????????????????????????????????15??18?,???????????????25?????30???????,????
????,6??????17???????????????????21?????,?????????????????????,?,???????,??????????????????,??????(?????????????????????????)
??:?????????????