PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In addition to the obvious advantages of reduced cost and greater reliability due to the elimination of transformers and coupling capacitors, the primary advantage of the present direct-coupled circuit resides in the elimination or substantial reduction of the following forms of distortion which are generated by or inadequately reduced by the conventional circuits:
http://www.w3.org/ns/prov#wasQuotedFrom
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