课程相关性是指课程各种内容内在的关联，也指课程中各种概念。定义、公式的统一性、依赖性。教师不仅自己要透彻地了解和掌握这些关系，而且在教学中要力求让学生也明了这些关系，更好地学好全课程。（－）平衡概念连贯性的分析在工程力系课中平衡是指物体相对于地球保持静止 Course relevance refers to the inherent relationship between the various contents of the course, also refers to the various concepts in the course. Definition, the unity of the formula, the dependence. Teachers not only need to thoroughly understand and master these relationships, but also strive to make students aware of these relationships in their teaching so as to better learn the whole curriculum. (-) Analysis of Consensus of Concept of Consequences Equilibrium in Engineering Mechanics refers to objects remaining stationary relative to the Earth