?????????′???

???′?????????????????????趨?????????????????????????????μ???????λ??????????????￡???????????????μ?????

???′???????

1?? ?????26?????????????????????????????;

2?? ???????μ????????λ??????????????????2?????д???;

3?? ?????????????????????λ??70%?????????????????￡??????????????????μ????????;

4?? ?????????????μ???????λ???????????????2????????

???′??????裺

1?? ????????棬?????????;

2?? ???????????μ?“????”???????????????;

3?? ??????????????????б????????????????;

4?? ???“????”????????????????70%????????λ?????????????????

?????????????40407???????????http://audiogearreviews.com/dxz/