?? ??????????????7?????
????:1???????:??????
2??????
3?????????????
4????????
5???????
??11????22???????????(???)???22????????????,?????????????????????????????????????????????????????????????7????????????????????,????????????????“?????”?????????“????????????”???“?????????????????????????”????“???????????????????”?
?????? ???????????????????,????,????????????????«???»????????????????????????????“??????”??????????????????10?????????????????,??????????????????????????“1(????????)+N(?????????????????????)+X(?)”??????????,????,????“??”???????????????????“????????”???????“????”?????“?????????”,???????????????
????,???,????,???????????????????,?????;???????,??????,????????????????,???????
???????????????,?????????????????????????,??????????????????????,???????,????,??,????????(????)
???????:??????