????Q420q????????????150?? ????????????????

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????Q420q????????????????150?? ????????????????

??????????θ?????ν??????????????????????????????????????????θ????????????????????????30????????????????????????θ????????????????????Σ????????????????????150?????200?????

???????????·????

?????????????2011???????????????????????鱨??????????????????????Q420q??????????????????40.36???????????4.13?????????????????????????У?2004???θ????????????22756???λ???й??????????????????2005?????????????70.14???????????2.13?????

???????????????????α????????????????????й????????????Ρ??????2006???????θ?????????????

?????????Q420q???????????2009????????????????????????????????????Q420q????????????????????196.35??????????24.30%????????179.91??????????26.22%?????????152.87?????????????8.43%???????θ???????????????59.48???????????40.03%????????????9.43???????????61.58%?????????????57.23???????????41.72%??

???????????????????θ?????????????У????????1000????????????600???????????????600???????????????????????70%????????????????????????????????????????????????????????????????????????????????ε????????????300???????????????????30??

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