Assertion: hertz | /r/HasProperty | the si unit of frequency
Facets:
Source sentences:
text: The hertz is the SI unit of frequency defined as the number of cycles per second of a periodic phenomenon.
text: The hertz (symbol Hz) is the SI unit of frequency.
text: The hertz (symbol Hz) is the SI unit of frequency.
text: The hertz (symbol Hz) is the SI unit of frequency.
text: The hertz (symbol Hz) is the SI unit of frequency.
text: The hertz (symbol Hz) is the SI unit of frequency.