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

2??????

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

4?????

5??????

??????????9?????????????????27?? (? ????????????????)?27??????,??????????????,??19.4????,??2.77???

????,???????80%,???????????15.26????????,??????????20%????,??

????10????????????????1?,???10??5??????????????????,??9??????30????????,?????????????,??,?????,????

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??,??????????????????????,?????,????????,??????????????????????????????????????????????????????????????????????????????,???????????????????????????(?????????) ?????????????:??