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立体几何的本质就是线面之间的位置关系,立体几何试题一般都是综合直线和平面以及简单几何体的内容于一体,以简单几何体为载体,考查直线和平面的位置关系特别是线面平行与垂直的内容.
The essence of the three-dimensional geometry is the positional relationship between the line surfaces. The three-dimensional geometry test questions are generally integrated into the content of straight lines and planes and simple geometric objects. Using the simple geometry as the carrier, the relationship between the straight line and the plane is examined, especially the line surface is parallel. Vertical content.