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

2??????

3??????????

4??????????

5???????

????????????????11???????????22??(?????)???????????????????22??????????????????????,???????????????????????????????7?????,?????“???”?????“????????”?????“?????????????????????????”???“???????????????”?

?????????? ??????

?,?????????????????,????«????????»??????????????????????????????????????“???????????????????????????”???10????,????“1(???)+N(????)+X(????????)”?????,??????????????????????????,???“??????????????????”?????“???”????“???????????????????”???“??”,???????????????????

?????,????,??????????????????????????,????????,????;???????????????,?????????????????,????????????,?????????????????

????,??????????????????????????????????????????,???????????????,????????????,??????,????????,???????(????)

?????:?????