Seen in Hesiodus and other craters, the ray timing can be calculated based on the observer's location.
若要在赫西俄德或其他环形山看到这种光线，可以根据观测者的位置算出它出现的时间。
When you are tired of studying, close your eyes and do eye exercises, look through the windows, refresh your eyes with the ray of green.
学习疲倦时，让我们闭上双眼，或望望窗外，让一抹新绿擦亮你的双眸，让自己的眼睛得以放松；
射线的方向。
This unique nature of the ray, what is it?
这种与众不同的射线的性质又是什么？
The amplitude variations along the ray path are also discussed.
并讨论了沿波射线路径波幅的变化。
Both the ray path formula and the inversion formula are very simple.
射线路径公式和反演公式都很简单。
N model is comparable to the accuracy of the ray-tracing and FDTD models.
型的精确度可与射线追踪及FDTD模型的精度相比拟。
To do this, the ray must be tested for intersection against objects in the scene.
要做到这点，需要测定光线与场景中物体的交点。
Since it is expressed by the ray matrix elements, there is a universal significance.
它是用光学系统的光线矩阵元表示的，具有较大的普遍性。
In the double forms, the "disc" flowers have taken on the characteristics of the ray flowers.
在重瓣花中，“圆盘”花呈现出射线花的特征。
The reflector, stuck on the backside of a car, will reflect the ray from the backside car lamp.
将此反光片贴在汽车的后面，可以反射后方来车照射的灯光。
At last, the ray tracing modeling is applied to the actual PHS indoor distribution system project.
最后，射线跟踪模型被应用于实际的PHS室内覆盖系统工程中。
The method can be applied to trace the ray path on arbitrary convex surface with inhomogeneous media.
该方法还可以应用到非均匀媒质任意凸曲面的爬行射线寻迹。
The total refractivity content along the ray path is an important propagation parameter in space times.
在空间时代，沿射线路径的总折射率是研究电波传播的重要参数。
Only the first creature or object struck can be affected; that is, the ray affects only one target per casting.
只有第一个被击中的生物或物品会被影响，这就是说，每次施法，射线只对一个目标有效。
Therefore, it is extremely important to study on low temperature performance and the ray aging of the bituminous binder.
因此，开展寒区沥青结合料的低温性能和光辐射研究，显得十分重要。
Based on the ray trace method, an expression for output spectrum of the two-segment semiconductor lasers has been derived.
用射线法导出了两段式半导体激光器的端面输出谱。
Theprocess of the bottle beam generated from an axicon-lens system is described by a novel method based on the ray-tracing.
利用几何光学的光线追迹法形象地描述了轴棱锥透镜系统产生局域空心光束过程。
Compared with the theoretical path, the error of the ray path got by the optimized shortest ray path tracing method is minimum.
相对于理论路径而言，优化最短射线路径法得到的射线路径误差较小。
In addition, the ray effect in the spherical harmonics approximation mitigates with increasing optical thickness within gray medium.
同时，球谐函数法的射线效应随光学厚度的增加而减小。
Electromagnetic theory, statistical plane wave theory and the ray tracing theory of reverberation Chambers are studied in Chapter III.
第三章论述了混响室的电磁场理论、混响室平面波统计理论和混响室射线理论。
The propagation of fast waves in the ion-cyclotron range of frequencies in the plasmas is investigated by using the ray-tracing method.
利用几何光学方法对离子回旋波频段内的快波在等离子体中的传播进行了研究。
During the resulting rescue mission, Dofine kept track of the Jedi intruders' progress, activating the ray shields that captured the heroes.
在随后的营救行动中，多法因留意着绝地闯入者的行进路线。他及时开启能量护盾抓住了那几位英雄。
It is shown that the ray trajectory depends strongly on the spot size and the inclination of the incident beam and the structure of the lens.
计算结果表明，光线轨迹主要由入射光束的光斑尺寸、倾角和透镜的结构决定。
The forward modelling method of wave equation is of a high precision and a lower computing efficiency compared with the ray theory based method.
波动方程正演模拟法相对于射线法具有精度高、效率低的特点。
In this paper, the rotation of cylinder through the action of radiation pressure generated torque based on the ray optics has been investigated.
采用几何光学模型对圆柱体在激光辐射压力的作用下，产生的转动进行了详细地计算。
A comparison between the wave and ray models shows that the ray model gives an approximation of the transmission loss in an acoustic vector field.
经过与波动理论的比较，说明该模型仅是矢量声场传播损失的简单近似。
A new method that can be conveniently applied to the ray tracing calculation for monoaxial optical components with spherical surfaces is presented.
本文提出一种方便应用于球面晶体光学元件的光路追迹计算方法。
There are different types of pit-pair between the axial tracheids. the axial tracheid and the ray parenchyma, the axial tracheid and the ray tracheid.
轴向管胞之间、轴向管胞与射线薄壁细胞之间、轴向管胞与射线管胞之间，均有不同类型的纹孔对。
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