About: http://webisa.webdatacommons.org/386285443

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	d eyes by dividing the distance, such as about ???100 ??m from the grinding line R1 in the middle of the error margin region D1, into a constant scale.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com