Assertion: reed's pitch | /r/HasProperty | a function of its length
Facets:
value: for those pipes
type: OTHER
Source sentences:
text: For those pipes the pitch is a function of its length, the wavelength of the sound produced by an open pipe being approximately twice its length.
text: For those pipes the pitch is a function of its length, the wavelength of the sound produced by an open pipe being approximately twice its length.