Assertion: whistle's frequency | /r/DistinctFrom | the frequency of the sound
Facets:
value: for the geometry
type: PURPOSE
value: for blowing
type: PURPOSE
value: very
type: DEGREE
Source sentences:
text: But for the geometry and blowing pressure of a typical whistle, the frequency of that vortex pattern (if it exists at all) is very different from the frequency of the sound produced by the whistle, and it's hard to invent a good reason why the vortices should cause the sound.