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

2????????

3?????????

4?????????

5?????????

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

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

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

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

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

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

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

?????????????,“?????”????,??????????

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

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