?? ????????:???????4.2???????? ??
![](http://n.sinaimg.cn/translate-15/699/w930h569/20180611/P-ed-hcufqif9909653.jpg)
????:1?qq????????:????????
2???????100??
3?????
4???????
5?????????
??2?????????14??????????? (? ??????)?14??????????????????????????????????,????????????????????2015???3000???4.2?????,???????????????????
???????????????????????????????,??,??????????????????????????????????????????????,?????????????????????,???????,??????????
??,??????????????,??,???????????????????????2015???3000??4.2???,??????????????,?????99.6%??????????,?????????????
????,?????????????????,?????????????????????????????,??????????????????????????????6????????????????????????????????????10????????????????,????98%???,??,??????,?????????????????
????,?????????????????????????????????????????????????????,???????,???????????????????,?????????????(??????) ????????????:?????????????????????????