?????9?????????????16??????????? (????? ???? ?????)?????,??,???,????????????????????,????????

?????????“??????”15????????????????????????????,????????????????????,?????“????”??????????????,???????????????????????????

????? ?????

??????,?????????????,???????,?????,??,??“?????”??????????????????????????????????????????????????????????????????????“????”??,???????,???????????,???

“??,?????‘???’?????????????,??????????????????,????????,???”??????????????????????

????,???????????????????,????????????????,????????

??“??????????????????????????????????????????”??????? ???

???????,“?????,?????????????????????????????????‘??????’?????????,????”

??,???????“?????”??,????“????????????????????????”?????????????,??,“??????????????????????”????,????????????????????????,?????

???????,?????,?????,??“???????”?

????“???? ??????????”????,200?? ?

???????????????,??????????,??;???????“??? ?????”?????,200??;??????“???????????????????????????????????????????????????????????????????????”??????;????“?????”?????,“????????”??……???????,???,??,????,???????“??????????”?(?????)

???????????:??? ??“????????”????

?? ?????:??????“????”

????:1?????????:????sn

2?????200??500????

3????????????

4???????

5??????

?????9?????????????16??????????? (????? ???? ?????)?????,??,???,????????????????????,????????

?????????“??????”15????????????????????????????,????????????????????,?????“????”??????????????,???????????????????????????

????? ?????

??????,?????????????,???????,?????,??,??“?????”??????????????????????????????????????????????????????????????????????“????”??,???????,???????????,???

“??,?????‘???’?????????????,??????????????????,????????,???”??????????????????????

????,???????????????????,????????????????,????????

??“??????????????????????????????????????????”??????? ???

???????,“?????,?????????????????????????????????‘??????’?????????,????”

??,???????“?????”??,????“????????????????????????”?????????????,??,“??????????????????????”????,????????????????????????,?????

???????,?????,?????,??“???????”?

????“???? ??????????”????,200?? ?

???????????????,??????????,??;???????“??? ?????”?????,200??;??????“???????????????????????????????????????????????????????????????????????”??????;????“?????”?????,“????????”??……???????,???,??,????,???????“??????????”?(?????)

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