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

2?????????

3???92?

4?????

5????????????

?10???2?????????? (??????? ?)??10?2?F3??,24???,???????,??????????????

?????????????????F3???????????????? ??

?????10??????,??????,???????“??????”??????????,??????????,???????????????????????,???,??????????????????????????????????

???F3????9?????14????,???“??????????????+???”?????????????????,????????,????????

?????????? ???

??12????200???????????12???500??????,????????????????????22????????200??????????????????22???????????500????????22??400?,???????12????????200??????????????12???500?????????

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

??,??F3?????????,????F1???,????????,????“???”???????????,??????????

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

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