About: http://webisa.webdatacommons.org/50734745

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	Then, ray tracing and simulation of light distribution are performed for these two kinds of light as they relate to the lens step, and the results of these operations are reflected in the design of the geometry of the lens step.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca