????о?
????γ???????? ???в ж?51?κ? ??????? 1???? 2???зβ???20-40??? 3????β??????ν??? ????? 1????????????? 2?????????????в????? 3????γ??????????????????????????? ?????????Сδ????λ?μ???е???γ???δ?????? ?????????10%????????????????????????硢?????????????ιй???ι????80-90%???????????????20-30%?????????????????λ ??????X?飬?????????ε???????Щ????缱????δ塢??X?δ?????? ???? 1??????????20%???????и?????? 2?????縴???? ?20%????ι????????? ???г?????? ????в???治???????ι? ??????δ????θ? 3??????θ???????????????? ???г?Χ???? ????3??? ?...