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

2????????

3????????????

4?????

5?????

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

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

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

??,??,????,???????“????”???????????

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

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

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

?????,“?”??????????,?????????

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

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