?? IFF??????????????
????:1???p?????:????????????
2????????
3?????
4?????600?????
5???????????
??????11???????????????23????????????? (????? ?????????????)??????????(IFF)???????21??????23???????????????????????????????“??????”???,?????,???,??????????????????,??????
11????23?????????,?(IFF)?21????????“???”???????????????????????????(IFF) ??????????????????????,??????????5%??????????????????????,??????????
IFF?????????????????????????,??5%???????????,????????????????????????????????????????????????????????????,??????????????,???????????????????????,?????????????,??????
????(IMF)???????,?????????????????,????????,??????????
?,???????????????????????,????????????????????????????????,??????????(????????????????????)
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