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立体几何研究的对象是空间图形,即由空间的点、线、面所构成的图形.因此,立体几何的基础是对点、线、面各种位置关系的讨论和研究,从而研究几何体的性质.在高考解答题中,立体几何侧重于对直线与直线、直线与平面、平面与平面的各种位置关系的考查,加重考查空间概念、逻辑思维能力、空间想象能力及运算能力.
The object of the study of the three-dimensional geometry is the spatial pattern, ie the figure composed of points, lines, and planes of the space. Therefore, the basis of the three-dimensional geometry is the discussion and research on the positional relations of points, lines, and planes, so as to study the nature of the geometry. In the college entrance examination solution, the three-dimensional geometry focuses on the examination of various positional relationships between straight lines and straight lines, straight lines and planes, and planes and planes, adding to the spatial concept, logical thinking ability, spatial imagination ability, and computational ability.