阴极射线管具有用以出射光线的光出射端。
The cathode ray tube has the light emitting end that is used to emit ray.
针对透镜导管出射光线发散角较大的问题，对其结构进行了优化设计。
Aiming at the question that radiation Angle of emergent rays is quite large, we optimized the structure of lens duct.
从折射定理出发，给出旋转双光楔的入射光线和出射光线之间的对应关系。
Starting from refraction theorem, the corresponding relation between incident light and outgoing light of the rotating double optical wedges is given.
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