This article tries to define its intension and extension, to generalize its preservation of documents and research condition and to sum up its studying value.

戏曲选本的内涵和外延、文献保存和研究状况以及其研究价值都具有学术意义。

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Internal instant messages, e-mails and company documents revealed an intense and competitive culture that blended legitimate research with illegally obtained tips.

内部即时消息，电子邮件和公司文件揭露了使得合法研究和非法获得内部情报混合在一起的一种激烈竞争的文化。

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Multilingual products are visible in many forms at WHO: web pages, publications, libraries, research tools, communications materials and official documents.

世卫组织多语言产品形式多样，可通过以下途径获得：网页，出版物，图书馆，研究工具，宣传材料和正式文件。

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Private e-mails and documents were stolen from the Climatic Research Unit at the University of East Anglia in Britain.

VOA: special.2010.04.27

Private e-mails and other documents were hacked from the Climatic Research Unit at the University of East Anglia.

VOA: special.2010.01.19

Internal instant messages, e-mails and company documents revealed an intense and competitive culture that blended legitimate research with illegally obtained tips.

ECONOMIST: The verdict is finally in

John Coates, a former Goldman Sachs and Deutsche Bank trader turned neuroscientist, documents his stunning research on brain chemicals in his new book, The Hour Between Dog and Wolf: Risk Taking, Gut Feelings and the Biology of Boom and Bust.

FORBES: Risky Business: Are Men to Blame for Today's Problems?

The writing is crisp and the research meticulous, drawing on reams of documents made publicly available by congressional committees and the Financial Crisis Inquiry Commission.

ECONOMIST: The firm that came to dominate world finance