The relations of unity of opposites are based on the social practice of human beings. As a kind of symbolic ideal form, the perceptual form of the beauty of nature is distinct.

它的感性形式作为具有象征性、符号性的理想形式，特别鲜明突出，而其社会历史文化内涵却比较潜在、宽泛和朦胧。

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Merry physical education is an important component in merry school education. It can effectively realize the organic unity of the perceptual form and the rational form in physical teaching.

快乐体育是学校愉快教育的重要组成部分，它能有效地实现体育教学中感性形式和理性形式的有机统一；

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But in the field of epistemology, experience means a understanding stage and a form of epistemology that distinguish with rational knowledge, namely perceptual direct understanding.

但是在认识领域中，经验则是指与理性认识相区别的一个认识阶段、认识形式，即感性的直接的认识。

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