PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Based on the U.S.industrial structure, exports are mainly comprised of high-tech products, but the U.S. limitsthe export of technical products for strategic reasons; however, what the U.S. needs themost are daily necessities and energy, etc.
http://www.w3.org/ns/prov#wasQuotedFrom
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