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

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

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

??????????,??????,11??????????24???,??????,?????,?????,????????????????25????????9??,?????????

??,???????,??,????2????????,??

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

????????????,11???????????????24?23???25?????7??????,???2.6?,???????????2.9????????????,12??????0.1??????4.9??,?????????????,???????????????,??

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

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

????????“??????????”??????“??”???????,?????????,?:????????20????10??????5??(????????????????????????????????????????????????????????)?????????,?5?????3?????????,???????1??????????=0.1????????????????

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