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

2?????????

3?????????

4???????????

5????????

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

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

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

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

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

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

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

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

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

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