?? IFF??????????????
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2??????50???
3???????
4????????
5???ktv??????
???????????????????????11??????????????????????23???? (????? ????????????????????)?(IFF)??21????????23?????????????????“??”??????????????????????????,??,???????????????????????,???,???????????
11??????????23??,?????????(IFF)???21???????????????????????“?????”????????????????(IFF) ?????????????????????????????????????????,????5%?????????,??????????
IFF???????????????,?5%???????????????????????????????????,?????????????????????,???????????????,???,??????,?????
??????(IMF)?????????????????????????,???????????????,????,???????????????????????????
???,?????????????????????,?????????????????????????????,????????(?????????????)
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