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

2??????

3?????

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

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

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

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

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

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

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

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