Any outgoing ray path must be coincident with that of the returning ray.
任何出发的射线与返回的射线路径完全相同。
The silver ray is the ray of honor.
银色光线是尊重的光线。
Bear in mind that the chief ray is now principal ray.
记住，此时主光线就是主点光线。
"Ray! Ray! Why do you not come back to her?" was the cry of Pearl.
“雷埃！雷埃！你为什么不回到她身边去？”珍珠在叫。
Where is Ray? Ray was here in a hour ago.
威在哪里?威一个小时前在这里。
In the early morning the first ray of sunshine in the unknown forest, the forest all wake up in the first ray of sunshine.
清晨的第一缕阳光洒在这片无人知晓的森林中，森林里的一切都在这第一缕阳光中苏醒。
A new ray-tracing method - total iterative ray-tracing method in random interface is studied.
研究了一种适用于任意界面下射线追踪的新方法——整体迭代射线追踪法。
Mobile X-Ray is the machine to take X-ray films beside the bed in the ward .
移动X线机是用于到病房对病人进行床边X 线摄影的设备。
The cathode ray tube has the light emitting end that is used to emit ray.
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.
阴极射线管具有用以出射光线的光出射端。
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