????:1?????????150??:????????

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

3?????800

4?????200??500????

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

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

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

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

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

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

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

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