????

?±?????????λ????У???????????±?У???????涨￡У?????????Щ??????г??????Σ

?￡??????У???ЩΣ??к档????????￡??????Σ?

?????????綨???β??????????Щ?SCO-90??????????????

????￡??飬???淶???棬???档???У?30??壬?????а???????е??飬????Щ????????????????????

?????Щ??????в???????Щ???????μ?

?￡??????????????????????????????????磬??????????????????????????????????????????

?????е?????????У??????????С崦???????????????

???????Уе???????????????????????????????????????????????????????????????????????????淢?

?????Щ??????

?￡?????????Ψ塢塢?????????塱????飻????棻?μ??y???????棬?????

У?????????У???????У???????????????????У??λ???????Χ????????Щ??У????У???????????У??У????

????廯?У?????????У??????