资源描述与检索(RDA)是一种为数字世界所设计的资源描述与检索的新标准,首先介绍从AACR2到RDA产生的过程,分析RDA的改名意义,对其性质、任务、结构,主要款目的处理方法和描述元素的组织形式进行论述,指出RDA设计的关键因素之一是在数据著录和数据表示之间设置了分界限;并简要地说明RDA与FRBR、RDA与MARC21之间的关联,指出RDA的出现对图书馆产生的影响及其不足之处。 Resource Description and Retrieval (RDA) is a new standard for resource description and retrieval designed for the digital world. It begins with a description of the processes that originated from AACR2 to RDA, analyzes the meaning of RDA’s name change, and describes its nature, mission, structure, major sections The purpose of treatment methods and descriptive elements of the organization of the form of discussion, pointed out that one of the key elements of RDA design is the data recording and data presentation set the boundaries between; and a brief description of RDA and FRBR, RDA and MARC21 association, Pointed out the RDA’s impact on the library and its deficiencies.