The search for gamma ray point sources is a popular topic in the study of cosmic rays.
点源的寻找是宇宙线研究中的一个热门课题。
Part of the trouble, Mr Settersten and Ms Ray point out, is that in the absence of reliable public schools, parents must play a big role in the academic careers of their children.
谢特·斯丹先生和雷先生指出，部分困难是父母们在缺乏可靠的公立学校时，必须在他们孩子的学术生涯里发挥出重大作用。
And, we are going to shoot a ray from the origin towards this point, and we want to know what portion of the ray is in our solid.
然后从原点引一条射线到这个点上，需要知道射线的那部分在我们的立体中。
If the optical fibre is tapered, the light ray will become trapped at the point where the fibre is no longer wide enough to let it pass any farther.
如果一个光导纤维被缩减，那么光束也将在纤维不够宽的那个点上被捕捉，因为它无法穿越纤维。
"At this point, the origin of Mercury's large core is still a mystery," said Larry Nittler, a cosmochemist at the Carnegie Institution of Washington who led the X-ray spectrometer study.
“从这点上说，水星巨大核心的起源仍然是一个谜，”华盛顿·卡内基研究所的天体化学家，X射线光谱仪研究的领军人物Larry Nittler如是说。
Randall also said that this represents a tipping point for the H.264 standard, because now Flash player is supporting it as well Blu-Ray - two big industry players.
Randall还说新版播放器的发布将引发h . 264标准的流行，因为现在Flash播放器已经可以像支持蓝光一样支持这种工业标准了。
Ray Perryman, an economist who focuses on Texas, mentions another point of solace: state finances are in reasonably good shape.
一个专门研究得克萨斯的经济学家Ray Perryman，提到了另一个亮点：州府的财政状况正形成一个合理的良性态势。
At the point of collision they may release a giant Gamma Ray Burst.
在它们碰撞的那一刻将释放出一个强大的伽玛射线爆发。
In this paper, we present a new rapid ray tracing method -available visible area radiant point tree ray searching.
本文给出了一种新型的快速的射线追踪方法——有效可见区域辐射源树射线跟踪法。
The starting point of the ray in world coordinates.
在世界坐标，射线的起始点。
For infrared optical systems a point spread function is calculated in terms of the spot diagram obtained through geometrical ray trace or the theory of Kirchhoff diffraction.
对红外光学系统，用几何光线追迹得到点列图或用基尔霍夫衍射理论计算得到点扩散函数。
This is because a ray drawn from any point within either of those two rings passes through an even number of segments.
这是因为从这两个环中的任何一个内部的任何点绘制的射线都穿过偶数数目的段。
In the proposed strategy, matching accuracy is enhanced by sub pixel interest point extraction and multi ray traingulation.
本方法的精度是通过子像素的特征点提取和多片交会得到的。
Based on the upper discussions, a new solution is presented which skipped the calculation of the ray and acquired the locating point by a linear equation group.
根据分析提出了新的方案，新方案中跳过了射线的计算，直接通过线性方程组得到定位点。
Using the bent method , we do two point ray tracing in dipping layered media and have acquired solutions iteratively with the improved Marquardt least square .
利用弯曲法进行有倾角的层状介质的两点射线追踪，并采用改进的阻尼最小二乘法迭代求解。
A rapid and accurate method for two point ray tracing in horizontally layered velocity model is presented in this paper.
提出了一种快速准确的水平层状介质中两点间的射线追踪方法。
Trial ray method is an effective one for solving two point ray tracing. This method is efficient and simple.
试射法是求解两点射线追踪问题的一种方法，它的解法快速简便，易于判断和识别。
The figure shows the path of one ray from a point A of an extended source.
图显示出，一条来自于扩展光源A点的光线。
Through the X-ray diffraction analysis and point loading strength test, intrinsic causes for the rockburst in some sandy mudstones in Erlang mountain highway tunnel has been ascertained.
通过X射线粉晶衍射成分分析，结合岩石点荷载强度试验研究，查明国内外首次发现的此隧道部分砂质泥岩发生岩爆活动的内在原因。
The point groups of the crystals at room temperature were determined by means of X-ray diffraction and ferroelectric measurement.
根据x光衍射及铁电测量，确定了在室温时晶体的点群。
The characteristic of aplanatic system shows that non-aplanatic point imaging can produce aspherical holographic interference for high resolution zone plate fabrication used for X-ray imaging.
利用这种特性可以产生制作高分辨率X射线波带板所需的两束非球面波。
All of them have been characterized by elementary analysis, NMR, IR and melting point determination, Among them, 10, 11 have been characterized by single-crystal X-ray analysis.
所得配合物均通过了元素分析、核磁、红外、熔点测定等进行了表征，其中10和11经过了X -单晶衍射的表征。
Monolithic capillary X-ray lens can collect divergent white X-ray beam emitted from a point X-ray source into a quasi parallel beam.
整体平行束X光透镜能把点X光源发出的发散X光束聚焦后转变成准平行X光束。
For example, in the illustration below, the red arrows represent the direction the segments are drawn and the white arrow represents an arbitrary ray running from a point in the innermost ring.
例如，在下图中，红色箭头表示段的绘制方向，白色箭头表示从内部环中的点绘制的任意射线。
Our results also indicate that there is no direct relation between the rises of soft X ray loops and the X point.
结果还表明，耀斑环上升和重联点上升之间没有直接的联系。
And what about Ray Allen, the all-time 3-point leader?
还有雷阿伦，这位历史上最好的三分投手？
And what about Ray Allen, the all-time 3-point leader?
还有雷阿伦，这位历史上最好的三分投手？
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