?? ???????????,????????|?????
![](https://image.chezhanri.com/2019/1107/5b5024be6fd332bd64131183678b45b7.jpg)
????:1?100??2??:???????????
2???????
3?????300??400
4?????????????
5??????????????
“?????????”“??????????????99%????”……????????,“?????????”??,??????????????????????????????????????????,??“?????????????????”“??”?????????????“??”???????,??????????????“???????????????”?
??,?????,?????????,????????,???
?????????????
1 ???????
?????
????
2 ???????????
?????????????????,???????????????????????,??,??
????????
(????????:?????????+??????=??????????????)
3 ??????
??
??,???????????????????????“???”?
4 ??????????????
??????????????????,???
??
??,????????????????????????????????
????????100?????????????,?????????????????
??????????????????,??,????,???,???????
???????,?????????????????????????
??,??20???????????????1?????????????????????,?1????200???????????8???????????(??????????????),????????????????10??10?????
????,????????????99.9%??????,??????????????,?????
???????????????????
??????????????????????????????????????????……?????,???,???,???????????????????????????,???
????????
?????
???
????,????????,??,???????????????????,??,???
??:
????????????(?????????????????????????????????????????????????????)?????
?????,??????????????????????????????????????,?????????????????????????,?????????????????,?????????
??,????????,???????
?????????
××?????????????????
???,????????,?????????????????
?????????,???????,????????,??,??,???????????????????
???,???
???????????,??,????????????????????????????,??????????????????????????????,?????,?????,?????????????????????
????,?????,???,????,?????????????,????????????????????
????????????????
1.???????????????????????,???????????????????
2.?????????????““?????”“??”“????”“???????????”??????????????
3.?????????????
(?????????????? ????????????????:«??????????»??????? ????????????????:???????????????? ?? ??) ????:????????