?? IFF??????????????
????:1???????:488?4????
2?????????????
3?????600
4?????????
5????????
?????????11???????????????23??????? (??? ???????????????)??????????(IFF)???????????????????21?????????23??????????????????????????????????????????????,??,????,???????,?????????????????????
11?23??,???(IFF)????21???????????????????????????????????????????????(IFF) ???????????????????,?????5%????????????????????????,????????????????????????
IFF?????????????????????????????????,?5%??????????????????????????????,?????????????????????,?????????????????????????????,??????,????????????,??????????????
?(IMF)???????????,?????????,????,????????????????????
??????????,?????????????????????,?????????????????,???????????????????????(?)
????:??????