In this post, you'll find three good resources for Linux reference guides online — all available at no cost.
在这篇文中，我们要介绍3个Linux在线参考指导资源——所有都是免费的。
It features over 1,000 journals, major reference works, online books, Current Protocols laboratory manuals, and databases as well as a suite of professional and management resources.
网站涵盖了超过1000种期刊，主要涉及工作，在线书籍，当前实验室手册协议，数据库以及一批专业人员与管理者资源。
Basic work for the sharing of library information resources includes cooperative development of library collections, online union cataloging and online reference services.
图书馆信息资源共享的基础工作，包括合作馆藏建设、联机联合编目及在线信息咨询等。
Basic work for the sharing of library information resources includes cooperative development of library collections, online union cataloging and online reference services.
图书馆信息资源共享的基础工作，包括合作馆藏建设、联机联合编目及在线信息咨询等。
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