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

2?????wx

3????????

4??????????

5????????

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

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

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

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

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

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

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