The differences between qualitative study and quantitative study were elaborated.

详尽讨论了定性研究和定量研究的差异。

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The research methods this paper uses are both qualitative study and quantitative study.

本研究采用定性与定量相结合的研究方法。

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The theories of the product composition, life cycle and Bostons matrix are followed. Theory study and investigate study are adopted and quantitative analysis is combined with qualitative analysis.

本文遵循产品组合理论、产品生命周期理论及波士顿矩阵理论，采用了理论联系实际、定量分析与定性分析相结合的方法。

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The study, conducted by research firm InsightsNow, combines qualitative, quantitative and ethnographic methods, and tracked user behavior and clickstreams in the US, across mobile web, apps, and other mobile services.

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