What are the results of existing research?
有哪些现有的研究结果？
It tells the background, overview of existing research and the design of this research.
主要陈述论文的研究背景、已有研究综述和本研究的设计。
With the existing research result, we have studied about it from three angles.
结合前人已有研究成果，从三个不同角度探讨“先生”称谓。
With the existing research result, we have studied about it from three angles.
结合前人已有研究成果，从三个不同角度探讨“先生”称谓。
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