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<http://webisa.webdatacommons.org/117441184>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/117441184>	<http://www.w3.org/ns/prov#value>	"The processing of data gathered by frequency-scanning interferometers involves converting rates of interferometric variation accompanying variations in beam frequency into such length measures as surface topography or distance." .
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