?λ????γ??? ?λ????????γ?????? ?λ????????????
?λ???????????????????
????????????
????????15??
??÷???????????????2-4??????
?????????????
????????0.952-1.000
?????????????2160-2700
????????????624-780
????????????864-1080
???????????960-1200
???﹥???????1104-1380
?????????????????2-4??
??????????