????????

?????潨С???й??????????????????й????????????????????????????????????

??????()????????????????????????????()??????μ???????л飬???????γ?ο?????Ч?????????????????ε????????(λ)????????()?????????Ρ???????????????λ?????(?)???????????????155????;?????????????????桱?

??????????裬?塢?????????200?Σ????п???????????????????塢??(λ)???衰????????б?з??????(λ)?λ??????????(QQ)???桢???????·?????100?λ??·???б;???仯 ??????

??????? ?ū???????????ж????????????й???????????;?????潨С?????????;???????????δ?;???λ?塱?2??????;????ε?????????????? ??????????????????е???????????????????У????Ч??????155?桱??????????????Χ????????????λ?????????????

???