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

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

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

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

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

???????:???? “??????????”_????

?? ?????7??????????????

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

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

3??????????

4?????????

5??????v

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

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

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

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

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

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