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- marginal parallel ray 边缘平行光线
- The condition of the normal eye when parallel rays are focused exactly on the retina and vision is perfect. 屈光正常当平行光线恰好聚焦于视网膜并形成清晰视觉时正常眼睛的状态
- If parallel rays are not focused on the retina of a static eye，the eye is ametropic. 如果平行光线入眼后不能聚焦到静态眼的视网膜上，则称该眼为屈光不正。
- We generalizes the concept of the parallel rays of Euclidian space to a complete noncompact Riemannian manifolds and discuss its properties. 第二部分是讨论了黎曼流形中的一些几何问题，主要是将欧氏空间平行射线的概念推广到一般黎曼流形，并研究其所具有的性质。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- An analysis is made about Descartes rays of transparent round-section fibers-a special internal surface reflection rays of the fiber when parallel rays strike the fibers perpendicularly to fiber axis. 摘要分析了透明圆形截面纤维在垂直纤维轴光线照射时纱维内表面反射光的一种特殊现象?笛卡尔线现象。
- Radioactive ray is material thing. 放射线是实际的物质。
- There was a nice red tick in the margin. 边上打了一个漂亮的红勾。
- A ray flower or the corolla of a ray flower. 舌状花舌状花或这种花的花冠
- The railway lines run parallel to the road. 铁路线和那条道路平行。
- She won by a comfortable margin. 她获胜成绩远远超过其他人。
- splitting a ray into two parallel rays polarized perpendicularly 使光波分裂成两束平行的垂直偏振的波
- A ray of sunlight pierced the clouds. 一缕阳光穿透了云层。
- I was left without a ray of hope. 我连一线希望也没有了。
- Put a mark in the margin to show the omission. 在页边作个记号表示有遗漏。
- Her experiences parallel mine in many instances. 她的经历多与我的相似。
- This price will allow a good margin of profit. 这一价格可获厚利。
- My experience in this matter is parallel to yours. 在这件事情上，我的经验和你的类似。
- We came to the margin of the wood. 我们来到树林的边缘。
- The road runs parallel with the railway. 该公路与铁路平行。
