通过对沉浮运动一个周期流线图的分析，认为这是翼型前缘涡的影响造成的。

An analysis of periodic flow streamlines shows that it is probably due to the effect of leading edge vortex.

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分析了科学家在物理学危机中的沉浮，反思自然观、科学观方面的研究和修养对于科学家的重要意义。

By analyzing the ups and downs of scientists in the physics crisis, we conclude that it is of significance for scientists to cultivate reasonable notions on nature and science.

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