Assertion: bat's call | /r/HasProperty | single continuous trace
Facets:
value: on a sound spectrogram
type: LOCATION
Source sentences:
text: A single echolocation call (a call being a single continuous trace on a sound spectrogram, and a series of calls comprising a sequence or pass) can last anywhere from 0.2 to 100 milliseconds in duration, depending on the stage of prey-catching behavior that the bat is engaged in.