This thesis conducts the research with the method of documentary study.

本文主要采用文献法进行研究。

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The hypothesis-testing contains two parts here: one is the documentary study, the other is positive research.

假设检验从两方面着手，一是文献分析，另一为实证调研。

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It also puts forward the study methods including documentary study, concept analysis, difference analysis and induction etc.

本论文采用文献研究法、概念分析法、比较分析法、归纳法等一些常用的研究方法。

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Among the other DGA winners were Searching for Sugar Man director Malik Bendjelloul, who won the guild's documentary award for his study of the obscure singer-songwriter Sixto Rodriquez.

BBC: Ben Affleck wins Directors Guild award

There are more women working in documentary films than narrative films, but study director Stacy Smith said her research found that "as commerce moves in, females move out".

BBC: Women 'struggling' in Hollywood, according to new study

The 2007 film Documentary Alice Neel by her grandson Andrew Neel is also a wonderful personal study of the artist's life.

FORBES: Portrait Of A Lady