The study mainly focuses on the following five aspects.

研究重点主要集中在五个方面。

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The study mainly explored the impact of cooperative learning and cognitive style on the concept of biology of junior students.

在本课题的研究中，笔者对合作学习与认知风格对初中学生生物学概念学习的影响进行了实验研究。

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The methods used in the study mainly include expert investigation, analytic hierarchy process, radar map method, and competitiveness imitation method.

使用的研究方法主要有专家调查法、层次分析法、雷达图法、竞争力模拟法等。

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But it will mainly study the universe in infrared light.

VOA: special.2011.05.23

The study of immunology is the study of mechanisms that your body uses to protect itself from mainly from foreign pathogens like viruses and bacteria.

免疫学研究身体,采用何种机制来保护自身,免受外源病原体如病毒和细菌的伤害

耶鲁公开课 - 生物医学工程探索课程节选

The key populations as defined by the study are the people who are mainly drug injectors, men who have sex with men, and sex workers.

VOA: standard.2010.07.07

The failure of Zimulti (formerly known as Acomplia) resulted partly from the company's decision to study the drug mainly in obesity trials where many patients dropped out, making it more difficult to judge the drug's risks.

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Indian officials emphasized the data hasn't yet been peer reviewed and should be considered preliminary, mostly because the study is continuing and was designed mainly to test the feasibility of using the GeneXpert machines and not to get a representative measure of drug resistance.

WSJ: Tuberculosis Strain in Mumbai Doesn't Respond to Main Treatment

And while it previously appeared the companies had pulled TV ads for Vytorin mainly because of the study, Dingell and Stupak, both Michigan Democrats, released a letter warning Merck and Schering they would have to make new, prominent claims about Vytorin's lack of efficacy over a cheaper generic drug, Zocor.

FORBES: Magazine Article