federated search

基本解释

Direct Preview is one of the most significant features to Federated Search.
直接预览是的其中一项最重要的功能，联合搜索以。
Federated search system follows the demand of integration of heterogeneous resources, and it allows users to search different databases, catalogs and other collections at the same time.
联邦检索系统源于对跨平台资源整合的需求，它允许用户通过一个统一的平台同时检索多个网络数据库、书目以及其他馆藏信息。
For example, a browser search link for “Science databases” can pass search keywords to the library's federated search software to return results from a selected group of science databases.
例如，一个浏览器搜索链接“科学数据库”可以把搜索关键词传递到联邦搜索软件并且返回从一组被选的科学数据库中检索到的结果。