?? ????????????,????|????????
![](https://image.chezhanri.com/2019/0712/20190712104137913.jpg)
????:1????????:?????
2??????????80
3??????95????
4???????
5??????????
“??????????????”“?????????99%????????????????????????”……?????????,“????????????????”???????????????????????,???????????????????,?????“????????”“????????”??“??”??????????????,???“????????”?
????,????????????????,?????????,????????????????????????????????????????,?????????????????
????????
1 ????????????????
??????????????
????????????
2 ?????????????????????
??,????????????????????????????????,??,?????????????
????
(??????????????????????????:????????+???????????????????=??????)
3 ???
??????
???,???????????????????“??????????????”?
4 ?????????
????????,??????
?????????????
??????????????????,??????????????
???100?,??
???????????????????,??,?????????,????????,?????????
???????????????,?????????????
?????,????????20?????1????,??1??200??????8????????????????(????????),??10???????10???????
???????????,???????99.9%??,???????????,???
??
???????????????????????????????……???,??,??,????????????????,????
????
????????????
????????????????????
???????????,??,????,??????????????????,????,???????????
????:
????????????????(?????????????????????????????????)???????
?????????????,?????????????????????????????????????????????????????????,???????????????,???????,????????????????
?????,????????,?????
??????????????
××?????????
????????????,??,???
????,??????,????????????,??,????,?????????
?????????????????,??????????
????,???,???????????????????????????????,?????????????????????,???,???????????,?????????????????
??,?,???,??,??,?????????????????????
??
1.???????????,??????????????????????????
2.?????????????????““????”“???”“?????”“????”??????????
3.????????
(????????????????? ?????:«??»????????? ??:??? ??????????????? ???????????????????????????) ???????????????:?????????