查询词典 spherical bessel function

In this paper four non-spherical surface types have been chose, ellipsoid surface, parabolic surface, pointed arch surface and conical surface. Base on the best fineness ratio, four surfaces are modeled, and their properties are analyzed in detail.

本文选择椭球面、抛物面、尖拱面、圆锥面这四种非球面面型整流罩，在基于整流罩最优的长径比的基础下，对各种情况分别进行建模，并对其光学性能进行了详细分析。

Rolling body is a convex spherical roller bearing to the heart.

滚动体是凸球面滚子的向心滚动轴承。

Rolling body is convex or concave spherical roller bearing heart yearned for the adjustment.

滚动体是凸球面或凹面滚子的调心向心滚动轴承。

The FORTRAN program to generate random convex polyhedron aggregate based on the topology of spherical aggregates and the codes of the meso-scale structured finite element grids of concrete are developed.

2为了实现骨料模型和其细观有限元网格的可视化，本文还研究了利用现有商业软件生成多面体随机骨料的可视化混合编程的方法。

In order to improve the beam properties of fiber lasers,the fiber-end surface is processed similar to a convex spherical surface.

为了改善光纤激光器的输出光束特性，将光纤端面加工处理成近似凸球面。

Aimed at spherical, cylindrical, conical and toroidal electrodes in electrical engineering, based on the corresponding coordinate transformation the randomly meshing surface BEM is put forward.

针对电气工程中常见的球、柱、锥和圆环形电极，建立相应的坐标系，提出了基于坐标变换，适用于任意网格剖分的曲面边界元方法。

The formulae were derived to calculate the spherical coordinates of any vector after the specimen was rotated any angles around any axis based on the homogenous coordinate theory.

摘 要：在利用同步辐射进行晶体缺陷的形貌研究时，为了获得晶体缺陷的三维分布信息，在实验中样品要在样品台上沿不同方向旋转轴进行多次旋转，因而需要计算样品经过多次旋转后任意矢量的空间坐标以及缺陷的取向坐标。

By explore and correctitude examination, find out best preparation method condition and The spherical, monodispersed, ultrafine cobalt powder with a face centered cubic structure and a size less than 1um were synthesized.

经过探索试验和正交实验，确定了最佳工艺条件，制备出平均粒径小于1um，具有面心立方晶体结构且分散性较好的球形的超细钴粉。

Side of the cosine formula to take spherical triangle ABC, will be the vertex with the hot core ° links, available on three sides of a hot core ...

边的余弦公式取球面三角形 ABC，将各顶点与球心°连结，可得一球心三面。。。

Spherical sine law and cosine law can be used out of high school knowledge and evidence, but evidence ...

球面正弦定律和余弦定律可用高中知识证出，不过证。。。

What was it that made you want to change sider ?

是什么使你临阵倒戈？

I don't know what he wants, but let's play along with him.

我不知道他要干什么，可我