Analysis of images caused by vertex angle of a prism and their application;
三棱镜顶角成像之剖析及其应用
In this paper, the relationship between the emergent light ray angle and incidence point is investigated according to the principle of the geometric optics and the computer simulation experiment so as to obtain the dependence of the incidence point on the vertex angle of the prism, refraction index and the basal-plane length of the prism from MATLAB.
利用几何光学原理和计算机进行模拟,对棱镜出射光线与入射点的关系进行了研究,并由MATLAB得到了入射点与棱镜顶角、材料折射率及棱镜底面边长关系的曲线图。
This article emphatically discussed the influence of different vertex angle as well as the different refractive index to the minimum deviation angle of triangular prism, thus we had a certain understanding to the prism deviation rule.
本文着重讨论了不同顶角以及不同折射率对玻璃棱镜折射率的影响,从而使我们对棱镜的偏向规律有了一定的认识。
The permutation group coset method in calculations of gauge field vertices;
关于规范场顶角计算的置换群陪集简化方法
And we also discussed the permutation group coset method in calculations of gauge field vertices.
本论文主要运用联络分解思想和对偶超导方法来研究SU(2)非阿贝尔规范理论和QCD的非微扰真空,并讨论了利用置换群陪集简化方法来计算规范场顶角问题。
When the spectrometer is used to measure the vertical angles of a prism,the results are not affected whether the ray of recidence is vertical to the bottom side of the prism or not.
用分光计测量三棱镜顶角时,入射光是否垂直于三棱镜底边,对测量结果均无影响,因此实验中不必强调入射光的垂直度问题。
The effects of point angle 2φ,helix angle β,web W on cutting on the drilling are analyzed.
采用正交实验测量不同刃口钻头钻通孔PCB板材的轴向力,分析了钻通孔切削力的特性,研究了顶角2φ、螺旋角β、横刃厚W刀具结构对切削性能的影响,并通过正交实验对钻通孔钻头刃口参数进行优化。
lightening file
顶角为108°的三角锉
The deviational survey unit measures the parameters of the apex angle and the azimuthal angle of the bore hole;
测量单元用于测量钻孔的顶角与方位角等参数；
top plate cutting angle
顶片切削角 -锯链
Ascending Triangle
上升三角形、平顶三角形
From corner to corner;diagonally.
对角地从角到角地，对角线地，对顶地
surmounted pediment
顶端角度小于直角的三角墙
To hit or push something with the head or horns.
顶撞，冲撞用头或角推顶某物
cut off the top of the horns of(cattle)
截去（牛）的角的顶端.
The upper after corner of a fore-and-aft sail.
帆顶纵帆角的后上部
The point at which the sides of an angle intersect.
顶点角的两边相交的点
A diagonal rib of a Gothic vault.
哥特式穹顶的对角拱柱
The point on a triangle or pyramid opposite to and farthest away from its base.
角顶三角形或者角锥的与其底边相对且具底边最远的顶点
At the same time convert the angle of the polygon at that vertex into a straight angle.
同时把该顶点处多角形的角转换成平角。
All the interior vertices are connected to exactly three vertices each.
所有三角形内的顶点恰好与三个顶点相联结。
②The cut angle between the extension of Blumensaat' line and tibial plateau (roof-plateau angle).
②测量股骨髁间窝顶点Blumensaats线的延长线与胫骨平台的夹角(顶-平台角);
Taxonomic Study on Deltocephalini (Hemiptera: Cicadellidae: Deltocephalinae) from China;
中国角顶叶蝉族分类研究（半翅目：叶蝉科：角顶叶蝉亚科）
Taxonomic and Phylogenetic Studies on Deltocephalini from China (Hemiptera: Cicadellidae: Deltocephalinae)
中国角顶叶蝉族分类及系统发育研究（半翅目：叶蝉科：角顶叶蝉亚科）
equilateral roof
(其跨度和椽子形成一等边三角形) 等角屋顶