??????
????????????????á???????μ?????ú?????Ρ???????????2???????????20?????????
????????
???????????????????????и???????????????????????г?????????????????????????????????????????????????????????????????????????????????1?????????????????????????6????????У?????????????????????????????????7??????????????????????????????????????????????15??????????????0.2%???????????0.2%??????????????????????????????????????????????8???????9??????????????????
???????溦????
1???????溦???????????????????????ε?????????°?????Ч?????? ??????????溦?????????????????????????????????????????????????ù???????????????????????5???????,?????1??????????????????
2?????????????????????????????70%??????п500??600???????50%?????в???700??800???????80%???????????????800??????з??Σ??7??10????1?Σ?????2??3?Σ???????????硣?????????6????ü?????????????400??500???????50%?????????????500??600???????75%????????????700??1000????????????????
3???????????????????50%??????400???????75%??????600???????95%??п???200??300??????2??3?Σ????10??15???1?Ρ??????????50%????????????600??700???????70%??????п???????500???????????10??15???1?Σ?????5??6?Ρ?
4??????????50%??е?η1000???????50%????????1200??1500??????з??Ρ?
5??????????40%?????????????1000??????з??Ρ?
6?????????????????????????????????棬???????????趾?????Ρ?