????2???????12????(?????????????)??,????????????????????????????????

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

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

??,??(??????)???,????“???????????????? ???”?????????,?????2?11???????????12???????????

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

??????????????,?????3.5??????????????2.3??,66?????;?????????????????????????????????????,????????????;?????,????????????

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

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

??

??:???????????,??????????,??????????????