This paper studied the essence of P. E. from logical viewpoint, and on the base of clarifying the difference between essence and essential attributes, pointed out that the essence of P.
本文从逻辑学的视角探讨体育的本质，并在明确本质与本质属性区别的基础上，指出体育的本质是“教育”；
This paper is just base on such viewpoint, analyzes and studies the data coming from the visual-experiment.
本文正是基于上述观点，通过视觉实验的方式获取数据，进行深入的分析与研究。
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