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

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

3?????????

4?????????

5???????

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

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

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

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

“????????????????”???????????????,????“?????”?,????????????“?‘?????????????’?????????,?????”

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

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

????????,“??”????,????????

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

?????,??5???,??????????????,???????????????????“??????”?????????????,?????????,?????????????,??????????(???) ????:?????????????