美国国立医学图书馆（ NLM）已实施新的编目规则RDA，国内医学图书馆在套录本馆书目数据进行西文资源编目时，获得的RDA书目数据逐渐增多。比较了RDA与AACR2规则的差异，介绍了将RDA书目数据修改为AACR2书目数据的常见修改字段、著录内容等，以期为使用RDA记录进行西文文献编目提供借鉴。%The new cataloguing rules, RDA, have been implemented in NLM and more RDA bibliographic data can thus be accessed in domestic medical libraries when the Western documents are catalogued by offloading their bibliographic data.The differences in RDA and AACR2 were compared, the common modified fields and descrip-tive contents were described when the RDA bibliographic data were changed into AACR2 bibliographic data in order to provide certain reference for cataloguing of Western documents using the RDA bibliographic data.
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