About: http://webisa.webdatacommons.org/30493236

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	For some applications, the PRI varies within a given burst, in which case the control unit sets the PRI to be on average at least 20 ms, such as at least 30 ms, e.g., at least 50 ms or at least 75 ms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com