?? (?????????)???????:???????
????:1????????:????????????
2????????????
3?????90?????
4?????95?
5???????????
??????? ??????? ??????? ???????
????
?????5?
?????????????? 1/66???????????25?????????,????????????,??,????????????????????????????????,???????????????80%,???????75%?,??80%??????????????????????(?????)
??:???
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