?????????????????????????????????????

??????????????δ????????2011-05-20 09:25:26

???????????????????????????????????????30/90??40/90??60/90??????????????????????????????????????????????????????????????????????????????У?????????????????????????????????????

????????????????

??????30/90??

??????1??????????1.2????????ɡ?10?????12????????
??????1??????????2?????к?0.4?????10?????20?????к?4??????
?????1??????????0.7?????0.1??????10?????7???????1??????
?????1??????????10??????4??????0.5??????10?????100????????40??????5?????????

????40/90????

??????1??????????1.6????????ɡ?10?????16????????
??????1??????????2.4?????к?0.8?????10?????24?????к?8??????
?????1??????????1?????0.4??????10?????10???????4??????
?????1??????????15??????5??????0.8??????10?????150????????50??????8?????????

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