反馈式主动消噪耳机的研制 1994-2008 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net 1994-2008 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net 1994-2008 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net 1994-2008 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net 1994-2008 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net 1994-2008 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net ……