Assertion: french horn's bell | /r/HasSubevent | standard shape
Facets:
value: fairly
type: DEGREE
Source sentences:
text: The bell has been experimented with rigorously over the centuries to enhance its contribution to tone, volume and clarity, resulting in a fairly standard shape now seen on most horns.
text: Over the centuries the bell has been experimented with rigorously to enhance its contribution to tone, volume and clarity, resulting in the fairly standard shape now seen on most horns.