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- pencil of light rays 光射线束
- Light rays show the path and direction of light traveling in. 光线:表示光的传播路径和方向的带箭头的直线.
- My eyes were blinded by the direct rays of light. 在光线的直射下，我看不清楚东西。
- It‘ s like a mirage, where heat causes the bending of light rays and cloaks the road ahead behind an image of the sky. 实验就象海市蜃楼，在高温下，光线发生弯曲，从而前面的道路就看不见了，而只能看到后面的天空图象。
- It simulates the interaction of light rays and objects using principles of geometric optics. 它利用几何光学的原理模拟光线与物件之间的相互作用。
- The concept of light ray is one which will be of sustained interest to us through our study of optics. 光线的概念在整个光学研究中是我们始终感兴趣的一个概念。
- It's like a mirage, where heat causes the bending of light rays and cloaks the road ahead behind an image of the sky. 实验就象海市蜃楼,在高温下,光线发生弯曲,从而前面的道路就看不见了,而只能看到后面的天空图象。
- This light is a result of light rays being reflected multiple numbers of times by many objects in the ambience. 这是由于环境中不同的多种物体对光线多次反射后形成的结果。
- The atmospheric bending of light rays is greatest when the sun is right along the horizon, at sunrise or sunset. 在日出和日落时分，当太阳正处于地平线时，大气层对光线的折射是最神奇的。
- Sight is made possible by rays of light impinging on the retina. 由于光线射到视网膜上,眼睛才看得见。
- Dornier's new weft stop sensor, the Slim Throughlight Sensor (STS), is based on the principle of light rays. 多 尼尔的新纬纱止动感应器(STS)是基于光线原理开发出来的。
- Ray tracing avoids these problems by simulating the ricochets of light rays throughout a scene. 光迹追踪法可模拟光线在场景中的反射，藉此解决上述的问题。
- They had to accept the blue pencil of the censor. 他们不得不接受检查员的修改。
- We like the masterly pencil of Rembrandt. 我们喜欢伦勃朗的精巧画法。
- As the density increases,the path of light rays emitted from the star are bent and eventually wrapped irrevocably around the star. 随着密度的增加，恒星里所发出的光线的路径会发生弯曲，并最终不可逆地围绕包裹着恒星。
- It's like a mirage(5), where heat causes the bending of light rays and cloaks the road ahead behind an image of the sky. 实验就象海市蜃楼，在高温下，光线发生弯曲，从而前面的道路就看不见了，而只能看到后面的天空图象。
- Modern science has now unravelled the secrets of the mirage at Penglai which is said to be caused by the refraction of light rays. 唯有现代科学才揭示了蓬莱海市的秘密： 原来，海市是一种折光现象。
- The portrait shows fine effects of light and shade. 这幅肖像画的浓淡色调表现得很好。
- Reflection The changing of the direction of the path of light ray by means of a surface. 借一个表面,把光束的路线改变的情况。
- As the density increases, the path of light rays emitted from the star are bent and eventually wrapped irrevocably around the star. 随着密度的增加，恒星里所发出的光线的路径会发生弯曲，并最终不可逆地围绕包裹着恒星。
