低频陷阱 – 直译自”Bass Trap”
意会 – 只有进不能出
有关网站：
http://www.ethanwiner.com/basstrap.html
http://www.customaudiodesigns.co.uk/basstraps/basstrap.htm
http://www.angelfire.com/sports/RCcars/basstrap.htm
http://musical-instruments.realemall.com/Auralex/LENRD-Bass-Trap-Blue.asp
http://www.acousticsciences.com/articles/db1191.htm
http://www.mbr-design-group.com/products/absorpdiff/corner.html
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