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用实例说明最新９４年版英国德温特公司出版的电类世界专利文摘检索刊物ＥＰＩ的编排特点和检索方法。同时指出充分利用ＭａｎｕａｌＣｏｄｅＩｎｄｅｘ可以省时省力，提高检索效率。
An example is given to illustrate the choreographic features and retrieval methods of EPI published by the latest 94-year edition of Derwent Corporation. At the same time, it points out that making full use of ManualCodeIndex can save time and effort and improve the retrieval efficiency.