????:1???????:??????qq?

2?????

3???????

4????????

5???????

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

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

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

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

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

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

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

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