????????λ???????????!??????????????μ???????ж????????????????μ??淨(jìng)???????????????λ?
??о?????????2.2?汾?????????????淨(jìng)!?????????????????????????С?????????~
1.?????????????????????????????????????????????μ??????
2.?μ?????????????????????????2000???飬??????????????(??????????9???)????????????“???????”?????????+1500?????5%??????????????????????????????7?????????+30%?????????????????????
3.????????????????????????????????????????????!
4.?淨(jìng)????
???????
??????н?????????????????????????????????????