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

2?600???????

3?????wx

4?????????

5???????

?2???????3? ??????????????,??????2???2??,???,?????????????109??????????

??:????

??????(FAA)???????????,???????????,?????,???????????,??????????????????????,???????????

?????????,???104??????????????5?????????:“?????????????,??????????????,?????”?,???????

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