?? ??????20????????????
![](https://image.chezhanri.com/2019/0806/20190806113611566.jpg)
????:1?????????,??????:????????????
2???????
3???????
4???????
5???95?98???
??????????????????????8??????????31??????? (????? ?????????????)??????8???31??????????????,8???????????????????50.3%,?20??????50%????,????
????????,??????,???????????????0.6?????????????????0.1??????????????;?????????????????????????????????????????,?????????????0.3?????2???????
????,8???????????????,?50.3%,?????20?????50%??,????????????????????????????????????50%??????,???
?????????????????,???8??,???????????????????50.2%,?????0.2??,??????????????????????????,???????,???????????????????????
?????,?????,???????55%??????????????;????????????????????????????,?????????????????,?????????????????60%??????
??????????,??????,???,??,??????????????????,???(???????) ?????:???