Assertion: sounding board | /r/CapableOf | act matching element
Facets:
Source sentences:
text: The mechanism is that the sounding board of the instrument provides a larger surface area to create sound waves than that of the string and therefore acts a matching element between the acoustic impedance of the string and that of the surrounding air. .
text: The mechanism is that the sounding board of the instrument provides a larger surface area to create sound waves than that of the string and therefore acts a matching element between the acoustic impedance of the string and that of the surrounding air. .