About: http://webisa.webdatacommons.org/309661923

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	Therefore, overcoming this problem is a significant challenge in the current research and development of semiconductor laser.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es