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

2?????????

3???????

4???9598????

5????????????????

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

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

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