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rales??adventitious sound) ???????????????
?????????????????????????????
???????????????300 ~50OHz ???????????????????????
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1??????????????????????????????2???????????????????????????????????????????????????????????????????????????????????
?? 2009-10-07 01:27
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rales??adventitious sound) ???????????????
?????????????????????????????
???????????????300 ~50OHz ???????????????????????
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1??????????????????????????????2???????????????????????????????????????????????????????????????????????????????????
?? 2009-10-07 01:27
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