查询词典 spherical function

The comparison of the derivative form of fixed aberration correction surface has been made with that of integral form surface as well as that of spherical surface in concentrating the solar ray.

同时，我们对以上两种不同表达式的曲面做了固定相差修正，并将这两种曲面，以及圆球面，分别做了聚光效果的模拟和比较。

The phase anomaly zones are investigated on the basis of the integral theorem of Helmholtz and Kirchhoff in terms of the Kirchhoff′s boundary conditions and the physical meaning of the integral for the diverging and converging spherical waves.

从波动方程出发，在基尔霍夫边界条件下，根据积分的物理意义，简明地研究了发散和汇聚球面波的相奇异区域分布。结果表明，除了汇聚的球面波焦点区域存在相奇异现象外，焦点以外的区域及对发散的球面波同样存在相奇异现象。

Applying the method of integral transform, the governing equation of viscoelastic shallow spherical shell under actions of uniform pressure in the space of Laplace is established.

利用积分变换方法建立了粘弹性材料扁球壳在均布荷载作用下的Laplace相空间中的屈曲控制方程。

For example, he used himself and Zhu Shijie, who co-sponsored the three interpolation formula and the bad together in the formula of spherical trigonometry to calculate the accuracy of the new calendar has been elevated to unprecedented highs.

例如，他采用了自己和朱世杰等人共同提出的三次差内插公式及合于球面三角法的公式进行计算，使新历法的精度得到空前提高。

A system of intersecting lines, such as the grid of a map, on which part or all of the globe or another spherical surface is represented as a plane surface.

棋盘格相互交叉的线条，如地图的网络系统，在这种系统内部分或全部球体或别的球面被显示为一个平面

In order to reduce spherical aberration, the intraocular lens is needed to be aspherical.

为了减小球差的影响，人工晶状体的表面结构需采用非球面设计。

From K-G Equation and Dirac equation,using 2-D invariant line element, the radius equation and event horizon formula of particles are obtained.A simpler method to the research of quantum effect of the scalar and vector particles in black hole with spherical symmetry is singgested.

分别从K-G方程和Dirac方程入手，利用简化后的二维不变线元，直接给出了粒子的径向方程和视界面方程公式，为研究球对称黑洞中标量粒子和矢量粒子的量子效应提供了一个更简单的方法。

Spatial interpolation methods and principles of marine optical data based on GIS is researched, including inverse distance weighted interpolation, ordinary Kriging spherical model and exponential model interpolation.

研究基于GIS的海洋光学调查数据空间插值方法及其原理，主要探讨了反距离加权插值法、普通克里格法的球体模型和指数模型算法。

In this thesis a number of inverse approachesare presented, related to constructing residual stress field in planar and axisymmetricstructures based on fewer testing data, and extracting the plastic properties of ductilematerials from spherical indentation tests.

本文研究了两种反问题：一是利用较少的实验数据构造平面与轴对称残余应力场；二是利用球形压头压入实验提取延性材料的塑性特性。

The formula group for the design of multi-phase micro Fresnel lens according to scalar diffraction theory was given and the transmission theory of spherical wave were used to deduce the relation of focal distance of the micro lens with spectrum resolution. According to the relation spectrum resolution is inverse proportional to focal distance given a certain incident wavelength and phase number, and the theoretic formula is consistent with reported experimental result.

光谱分辨率是评价衍射微透镜分光特性的主要指标，根据标量衍射理论，给出了多台阶位相型菲涅尔透镜的设计公式，并利用球面波的传输理论推导了微透镜主焦距与光谱分辨率之间的函数关系，得出在入射波长和位相台阶数一定的情况下，光谱分辨率与中心焦距之间呈反比；理论推导的结果与已发表的实验结果一致。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。