�??????????�????

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

?????????????????10???31???? (??????)??????31???,???????????,???????????????6??,9????????7270????????????20%;??24????????????6?????????????????????

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

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

?????,??,?�???�,???????????????�??�,??????????????????????????????,????????1.1???1608???????;???�??�??,????????,?1514????????566???????????????????????;?????,??1???????????

????,???�??????????�,????????????????????,??124?,????200??????????????;?,????????1.75???????????????????7??????????????,??S??????????????????????,????�????????�???

???????????????,???????�??????????????????��?�??,????,??????????????,????28??????20%??????????257.5??????????????????????56.6?,?????????????1???

????,????????????????,????;??????????????????,????0.5??????????????????????????????,??AIC????????????????????????????????????????100???(???????)

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