About: http://webisa.webdatacommons.org/78536307

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	As shown in FIGS. 27h and 27i, the single-element transducer elements 114 may take the form of circular elements which may be preferably focused at some range, as for example 40 millimeters.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com