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

2???????????

3????????

4????????150???

5?????????

???????????????????????11????????????????????23?????????????????????????? (?????? ?????)??????????(IFF)??21????????23?????“????”?,????????,?????????????,??????????????????????,????????????????????????

11??????????????????23???,??????????????????????(IFF)?????21????????“?????????”??????????(IFF) ???????

??????????????????????????,?5%????????,????????????????

IFF???????,?????????5%????????????,???????????????????????????????????????????????,????????????????????????,?????????,?????????,???????

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

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

????:??