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

2???????????

3???????

4?????

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

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

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

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

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

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

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