?????????????????2013-??廷?????????ι????????????????????廷????????????????????????????

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1???????????????廷?????????ι?????С?鸺??????????????

2?????????????????-????飬?????????????????п??????????????????????????????????????п?????????????-?????????????-??弶???????????????Ч???????????????????

3???????????100 ??????п???????????-???????50%????????????Ч?????

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1???-???????????????????λ???????????????????????????????λ???м?????

2?????????飬??涨???????壬????1000???????

3?????????????????????????????λ???????3000???2000???1000????????????????????????????????2000???1000???500???

4??-????????????????λ???????2??1.5??1????????????????????????????????3000???2000???1000??????????????????????????500???400???300????????

5?????????ο??????-???Ч?????????????????????????????????????????40%???????ι????