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

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

3?????

4????????

5???????

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

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

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

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

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

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