???????????о????Σ???????????λЧ????
??????????????????λ?ù???Ч???????о???????????????λ?ù???+20% ???-10%??
????????????????????λ?÷???Ч????????????λ?÷???+15%??
???????????????????????Ч????????β????Ч???????????????λ?ù???Ч??????????β????+20% ???????+10% ?????о?????+10%??
??????????????????????Ч????????·????Ч????????β????Ч??????????????????????????β????+40% ???-30% ???????+10% ?????о?????+10%??
?????????????????????β????Ч???????о?????Ч?????????????Ч?????????????Ч?????????Ч???????????????β????+20% ???????+15% ???????+30% ???-30% ?о?????+20%??
???????????????????????Ч????????·????Ч????????β????Ч???????????????β????+25% ???????+10% ?????о?????+10%??
???????????????????λ?????Ч?????????????????λ?????+20%??
??????鶯??????????λ??????з?????Ч???????з?????λ?÷????0??
????????????????????????????????????????40407???????40407????????
