?? ????????????,????|????????
![](https://image.chezhanri.com/2019/0510/20190510150450925.jpg)
????:1???????:????????????
2???????????
3?????????
4????????
5????????
“??”“????????99%????????????”……????????,“??????”????,?????????????????????????,???“???????????”“????????????????????”?“????”????????,????????????????“??”?
???,???????,????????????????,??????????????????????????????,??
??
1 ???????????????????????????
???
????????
2 ??
????,?????,??????????????,?????
????????
(???:????+??=???????????????????????)
3 ??
??????????
??????????????????????????,????????“??????????”?
4 ???????????????
??????????????????,?????
??????
?????????????,????????????????????????????
?????100????????,?????
??,????????,???????????,?????????????????,??????????
????????????,?????????????????????????????????
??,???????20????????1?????,?????????1???????????????????200?????????????????8??(???????),??????10???????????????10?????????
???,?????99.9%??????????????????,??????????????,??
??????????????
????????????????????????????……????,??,??????????????,????,?????????????????
?????????????
???
????????????
?????,??????????????,???,?????????????,??,?????????????
???:
??????????????????????????????????????(???????????????????????????????????????)????????
??,???????????????????????????????????,????????????????????????,???????????,??????
????????,????????????,??????
????????
××?????????????????
??,????????????????,???????
????????,?????????,??????????????????????,?????????,???????????????????,????????????????????
?????????,???
???????????,????????????????,?????????????,????????,??,????????????????,???
???????,????,??,???????????,??,?????????????
????
1.????????????????,??????????
2.??????????????““??”“??????”“????????????????”“?????????”???????????????
3.????????????????????????
(????????? ???:«????»????????????????? ?????:?? ?????????? ??) ???:?????