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

2???????

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

4?????????

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????

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