查询词典 vertex angle

This paper established a new kind of relation on projection——conic projection analogue by introducing the latitude circle and longitude circle analogues, then discussed the best choice of the conic vertex angle in this projection, and found the mathematical model and the applicable scope of this projection.

摘 要：本文通过引入类纬圈和类经圈，建立了一种新的投影关系——类圆锥投影，进而探讨了类圆锥投影中圆锥顶角的最佳选择，找到了类圆锥投影的数学模型和适用范围。

Puzzle 150: Isosceles vertex angle - Triangle ABC is isosceles with AB = AC.

150谜：顶角等腰三角ABC的等腰是同乙级=交流。

On the basis of analyzing and processing the experimental data, the major factors influencing the spread and the fill degree and the regressive equations for estimating the "spread coefficient" and the fill degree at the vertex angle have been found.

通过对实验数据的整理和分析，找出了影响轧件在平底切分孔型中宽展和顶角充满度的主要因素；从而建立起计算宽展系数和顶角充满度的回归方程。

Study the feasibility of the bolt support technology used in deep dip angle half-coal rock roadway in this paper,and analysis the effect on roadway's rock stress distribution and condition of maintenance when the vertex angle coal hold,finally,a bolting support design is suggested,and the research results have been applied to the project successfully.

探讨了大倾角半煤岩巷道采用锚杆支护的可行性，分析了留设上顶角煤对巷道围岩应力分布和维护状况的影响，提出了这类巷道的锚杆支护方案，并介绍了应用于工程实践的成功经验。

Four triangle mechanical tabs with different area and vertex angle,fixed on the exit of primary nozzle,have been tested comparatively to investigate the effect of number,area,shape and fixed angle of the tabs on the aerodynamic characteristics of the exhaust ejector mixer system.

通过对安装在矩形主喷管出口端的 4组不同面积和顶角的三角形小突片的对比试验，初步研究了小突片的片数、面积、形状和安装角度等结构参数对排气引射混合系统的气动性能的影响。

Fig. 1. The plan and side view of the flow of a molten polymer liquid in gas-assisted injection molding where a pipe is connected vertically to line A to a fan-shaped cavity with a vertex angle of 180度 formed by two parallel plates and gas is injected at the point above where two cavities are connected.

图。 1。该计划和侧面的熔融聚合物液体流动的角度在气体辅助注塑成型在管道连接垂直线A到一个扇形腔一顶点由两个平行板和气体形成的夹角为180度在上述点注入其中两个腔相连。

As in art, design a user spends lines, the design of a vertex angle spends Kok decorated it with the entire room trying, the revitalization of the indoor atmosphere.

如在壁面上设计一弧型铁花线条，顶角设计一铁花角饰，它与整个居室相映成趣，活跃了室内氛围。

Utilize energy method to research crook problem of drilling rod under pressure and act on together, having studied the crooked influence to the drilling rod of torsion emphatically, the theory analyses found that Axial load, hole vertex angle and torque are important factors of influence drilling rod crook.

利用能量方法研究了压力和扭矩共同作用下钻杆的弯曲问题，着重研究了扭矩对钻杆弯曲的影响，理论分析发现，轴向载荷，钻孔顶角和扭矩是影响钻杆弯曲的重要因素。

A 2inch LED backlight module using the structure of single-source vertex angle incident was designed.

采用单光源顶角入射结构设计一个5.08cm(2inch)液晶背光模组。

Experiments exposed that the inner flow of tooth space in the micro-channels was proved to be cycled flow after fully development. For the more, low velocity vortex cavities existed in the vertex angle and inner side of bend angle of straight angle micro-channel, while back flow only appeared in the internal side of bend angle of round angle micro-channel. It's easy to take place deposition in the low velocity vortex cavities, which is the main cause of blocking.

试验发现各类微通道齿间内流充分发展后是一种重复性流动，平角微通道顶角和转角内侧存在低速涡旋区，圆角微通道只在转角内侧出现回流，颗粒在低速涡旋区易发生沉积，是造成堵塞的主要原因。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。