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

2?????????

3???????

4???????????

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

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

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

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

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

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

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