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

2?????

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

4?????

5???sn??

???????????????????????????12?12???????????? (?????? ???????????????????????????)“?,???,????????”???,??????????,?????,???

11?,????“??????????”,?????????????????????????????

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

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

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

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

12?????????????????????????????????11????????,???????????????????,??????????????????????????????? ?? ?????

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

?????????7000?????????,???2.2???16???????????????300???????(???????????????)?????,?????????????????????32??,??????????????,“??????????????????”“??”“?????”?,???????????????“???????????????????????????,????????????????????????”????

12????????????????11?????,????????????????????,???“??????????”??????????????????????? ??????????????????????? ??

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

?????????????????????????????????????????……????,“??????????”?????????,????,?????,???????????????,??(???)

?????:??