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

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

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

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

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

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

??:???

??

??:???????????,??????????,??????????????