?????С???°?. ???????????????, ?????, ??????????, ???Ц????.
?????, ?и??????, 22?????????????????.??????????λ???????????.?????????н??????.??????????????????????????????????????.????, ????С?????????,???????,??????????,??????????????, ????,???????,????.(????????????????????,?????????????????,????????,??????????????????,???????????.?е???С?????,??????????????????ú????).
OK, ???????????????. ?????, ????βμ???????, ?????. ????????????.???????亹. ????????: ????, ?????????????.?????????????????.?????????, ????????????.???????????ε???. ???????ο????????. ???????, ?????δ???????, ????????????????.???????????????. ?о????????????, ??????, ???????, ????????????????????. ???????, ??????????.??????. ??????????????????????. ????, ???????????????.
???, ???????????????. ????????????,???????. ????????????????????????????????????????????. ????,?????????κι??????,?????????,?????????, ???????????.????????. ???????????????????????.
????, ????, ???, ????. ???????. ?????????????????????.
Acoustic attenuation in porous material | ??: ?????????·????. ????????????.????.
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