?

?????????????????e????ɡ?????????????70%90%?????30%10%?磬??????

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

?????????????ж??????????????塱????????y????????塢塢?塢??????????Щ????绤?

??????????????????ɡ??????????????????????????????

磬и????3???????п??????????????????????????????οС3С???????????С?????е?ɡ

?磬??????????????????????100?100??????????100???100????????????????ɡ??????￡?費???Щ?Щ????????????θе?ɡ

?磬?б??????????????????????????磬?С????б??????У?λ???硣??????ж????飬??????????????????

??????????·???????????????????????????????????????????????????Щ?????????????????????????????????ú????????

??????δ?塣?????δ???????????????????????顱????Ч???????????????????????д?????衣??й?????嵽壬г??嵽???????????????γ????

???????????????????????????????ó??????е?????????????Э???Э???

????????鲢?????????￡???У?????????￡???????С?AA?????????????????????????

?????????硱???????????????鲻??????????????????????棬???е?ж???????ν?????