求翻译：2011年5月底，“百度学术搜索”频道上线。百度学术搜索是百度旗下一个轻量级的文献搜索及获取平台，通过和专业站点的合作收录了上千万篇的学术论文，以满足用户对学术资源的初级需求。百度学术搜索频道可检索到收费及免费版学术论文，并通过时间筛选、标题、关键字、摘要、作者、出版物、文献类型、被引用次数等细化指标提高检索的精准性。百度学术搜索频道还是一个无广告的频道，页面简洁大方保持了百度搜索一惯的简单风格。是什么意思？

The end of May 2011, Baidu Scholar channel line. The Baidu Scholar is a lightweight Baidu's search of the literature and access to the platform, a collection of tens of millions of papers, in order to meet the primary needs of the users of academic resources and professional site. The Baidu academic

end of May 2011, The 100-degree academic search channels online. Academic Search is 100 degrees, 100 degrees a lightweight of the literature search and access platform, and professional sites have been included on the cooperation of 10 million papers to meet users' primary needs of academic resource

In at the end of May, 2011, “hundred degrees academic searches” channel political line.Hundred degrees academic searches are hundred degrees serve under somebody's banner a lightweight the literature to search and to gain the platform, has included more than ten million dissertations through and the

End of May 2011, the "Baidu search" channel on the line. Academic Search Baidu Baidu is its a lightweight literature search and get the platform, through cooperation and professional site qianwanpian on academic papers have been included in order to meet the needs of academic resources of the primar

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