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

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

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

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

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