?2?????????????????22?? ???????????????????:???????????22????,??????????????21?????,??????????

??,????????,?????????????????B-1B??20?????????????????,????????,??????????????????????????,?,?????????????3?????????????????????“????”????

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

???,??????????????,???????,?????????????(????) ??????????????????????????????????:????????? “????????????”_????

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

????:1?????????????:????????wx

2???????

3??????

4?????

5???????QQ?

?2?????????????????22?? ???????????????????:???????????22????,??????????????21?????,??????????

??,????????,?????????????????B-1B??20?????????????????,????????,??????????????????????????,?,?????????????3?????????????????????“????”????

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

???,??????????????,???????,?????????????(????) ??????????????????????????????????:?????????