?? ????????????????
????:1???90??????????:???????98?
2???????v
3??????wx
4???150?????
5???????
??12?????????????????27????????????????????? (???????????????????)12?27??14????????????,?????7?????????????????PC-12??????,1?????????20????,?????
?????? ???????????????????????,???????????????????27??????????????????????????????,????????????5????????7??2???????,???????????????????????,????“???????”?
“?????????????????????PC-12??60????,??1000????,??????????????????”??????????????????
??,????????????,???1??20?????,?249??
“???????????????????,????????,????????,???????,??!”?????????
????? ???????????????????????,????????????????,???????????????????????????????????????????????????,??????????????????,???
??,???,????,????????????????????,??,??,??????????????????????????,????4?????????????????????????????,??????????,????????????????,????????
??,???“??????+?????”“?+????????????”????????????????,??????,?????????????,????????????,????????????(??)
????????????????:???