概述了SDOS全文电子期刊数据库，介绍了其检索技术、检索方法和检索结果的保存方式。

This paper introduces the characteristics of full-text electronic periodicals database SDOS. The retrieval skills, methods and how to save the search results are discussed.

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许多电子期刊数据库商，包括EBSCO和ProQuest，有多种方法传递一个查询到一个单独的URL。

Many e-journal database vendors, including EBSCO and ProQuest, have ways to pass a query to a single URL.

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它在像搜索引擎，在线书店甚至图书馆目录等搜索中工作良好，但是那些有保护的电子期刊数据库则需要安装联邦检索。

It works well for readily available sites like search engines, online bookstores, and even many library catalogs, but secured e-journal databases need federated search to be installed.

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