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

2?????????

3?????

4??????????

5????????????

???2????6???? ??,?????????2?6????????,??????????,?????

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

????????????????????,???,???????????????

?,?7???????????????

??????????????????2???4????????????????,?????,??????? ????? ????????

?,??5?????(NSC),????????????????????6?????????????????,8????????

??:????