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Saw him this lecture, that we finally know the laws of spherical trigonometry sine, sina / sinA equal to what the final (the sine law of this plane is equal to the circumcircle diameter).

看了他这个讲义,才终于知道球面三角的正弦定律中,sina/sinA最终等于什么(平面的正弦定律这个等于外接圆直径)。

For genus zero closed surfaces,the parameter domain is sphere,so the cutting of the surface meshes in the parametrization process is avoided.

对于零亏格封闭网格曲面,以球面为参数域的参数化方法可以有效避免对网格的切割,是近年来的研究热点。

The non-spherical lens is another shaping system that is used to collimate the beam of LD, and the theoretic performance could be perfect.

球面柱透镜是另一类特殊结构的柱透镜,在用于半导体激光束准直时,理论上可以达到完全准直的效果。

By using two groups of cylindrical lenses perpendicular to each other, the marking shape window of semiconductor laser is imaged and rectangle and this imagery is then collimate d to infinite by collimating objective.

利用互相垂直的两组圆柱面镜把半导体激光器的条形窗口成像为矩形。再用球面准直物镜组把此象"准直"到"无限远"。该系统把激光器发出的发散光束压缩到在±0.0025弧度内出射光。两组柱面镜的同种倍率互为倒

The model of this collimator set on the ray trace theory. The designing and optimization way are created.

通过该方法设计的准直系统,在实际应用中达到了与传统非球面柱面镜相同的准直效果。

However, classical manufacture methods cannot meet its special machining requirements because of its complex surface equation.

但由于非球面的复杂结构特性,常规的方法已经不能满足其高精度、高效率的加工要求。

The hybrid gel film on curved surface can replace traditional light-sensitive lacquer, and improve the grating's stability. The VLSG with the line density of 80l/mm was fabricated on a concave lens surface with curved radius of 100mm.

采用这种方法在曲率半径为100mm的凹球面基底上制作了平均线密度为80l/mm的光栅,并用环境扫描电镜以及数字图像处理法检测了光栅的线密度分布。

Two different Fabry-Perot cavities have been adopted: plane mirror cavity and confocal concave spherical mirror cavity.

采用了两种不同的Fabry-Perot腔体结构:平面腔镜结构和对称共焦球面腔镜结构;首先进行了理论分析,得出两种结构中折射率变化与干涉条纹变化的关系,然后分别对两种腔体结构下的测量系统进行实验研究,都可以探测到10-5量级的折射率变化量,结果基本令人满意。

Generation and reconstruction of computer-generated hologram of images display on spherical surface by use of conformal maps is presented.

研究了基于共形对应的球面图像的计算全息图的生成和重现。

Finally, the results of aberration comparison indicated ellipsoidal dome can be used in coaxial infrared optical system, and conical surface has unique advantages in off-axis system.

最后根据像差的比较结果,得出:椭球面整流罩适用于共轴光学系统中,圆锥面整流罩则在离轴系统中更有独特的优势。

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推荐网络例句

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。