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英文字典中文字典相关资料:


  • National Agricultural Library
    The National Agricultural Library (NAL) is one of five national libraries of the United States It houses one of the world's largest collections devoted to agriculture and its related sciences
  • USDA FoodData Central
    FoodData Central is managed by the Agricultural Research Service's Beltsville Human Nutrition Research Center and hosted by the National Agricultural Library Licensing
  • DigiTop: Proxy and Off-Network Access | National Agricultural Library
    DigiTop is a service of the National Agricultural Library (NAL) that delivers licensed electronic resources to authorized USDA users
  • Research Tools - National Agricultural Library
    National Agricultural Library Thesaurus (NALT) NALT 2022 is a state-of-the-art multischeme concept space with added structural features for enhanced scalability and machine readability
  • Collections - National Agricultural Library
    The National Agricultural Library collections hold more than 3 5 million items covering all aspects of agriculture and related sciences
  • About the Library - National Agricultural Library
    The National Agricultural Library houses one of the world's largest collections devoted to agriculture and its related sciences
  • NAL Agricultural Thesaurus - USDA
    National Agricultural Library Thesaurus Concept Space Redesigned for the machine age as part of the Library's " NALT for the Machine Age " initiative, NALT 2024 is a state-of-the-art multischeme concept space with added structural features for enhanced scalability and machine readability
  • Services - National Agricultural Library
    The USDA National Agricultural Library's provides services including collections development and research and reference support
  • Data Submission Manual - National Agricultural Library
    This submission manual provides practical information for contributors to the Ag Data Commons data repository and catalog
  • NAL Agricultural Thesaurus
    Mapping to other resources - Library of Congress Subject Headings, CAB Thesaurus, AGROVOC, Global Agricultural Concept Space (GACS), and Wikidata NALT 2022 mappings have increased since last year by 70% to 50,275





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