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

????:????:??????300????

??????1??30? (??? ????????????????????)???????30?,29?????

?1????????????????29???,?64??????????????????????,???????????????????3??,????????????????“???????????????”?

????1?????????????30??,???????????????????????????,?,?1?29??????????????????????????????????????,??????????????? ? ????? ????

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

????,???????????(FAA)??????????????????“????????????????????????,?????????????????,???????????????????”

??2009?????????????2???????,???,?????,????????????????????49??????????1??(??)

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