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像的观察范围是指从物体发出的光线经平面镜反射或透镜折射后,出射光线所能达到的空间。眼睛的观察范围是指眼睛通过平面镜或透镜所能看到的空间,本文试图对这一类问题进行归纳。
The observation range of the image refers to the space that the emitted light can reach after the light emitted from the object is reflected by the plane mirror or refracted by the lens. The scope of the eye’s observation refers to the space that the eye can see through a plane mirror or lens. This article attempts to generalize this type of problem.