The two theoretical schools originated and became popular in different historical times. Togeth…
这两派理论兴盛于不同的历史时期，构成了俄罗斯民间故事研究的“双重风貌”。
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Togeth-er with Nan Gongshuo, he used a post to measure the shadow cast by the sun, and calculated the relations between the sun's positions and the solar terms.