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

2????????

3????????

4?????

5????????

?????????????????????11??????22????? (?????? ??)???????????????(IFF)??????????21???????????22????????????“????”????????????,????????,??,?,??

11???????????????????22????????,?????(IFF)??????21?????????????????????????????“?????????????”????? ???????????????(IFF) ?????

??IFF???????????????????????????,??????????????????,??????????????,?????????,“????????????????,?????”

?????????????????????????,20??????90?,??????,?,???????????????????????????“?????,????????????”??????????

???????????????????????????,?????????,???????????????????????,????????????????,????GDP????,???

IFF?????????????????????,???????,?????,?????????????????????,?????,“??????????????????”

???????????????“?????????:???????”?,????50??????????200?????????????????????????????,????????????????(???????????)

?????????????????:?????