球面

By taking a plan grating as a beam splitter and a spherical mirror as an imaging objective,the splitting system realizes a spectral plane and a small spectral band(＜42%),which is conductive to the signal receiving by a CCD detector.

分光系统采用平面光栅为分光元件，球面反射镜为成像物镜，实现了平谱面和较小的谱线弯曲(＜42%)，利于CCD探测器接收。

The optical system of LAMOST consists of a reflecting Schmidt correcting plate MA and a spherical primary mirror MB. Both MA and MB are segmented mirrors. Each segment is a hexagonal sub-mirror with a 1.1-m diagonal.

提要 LAMOST的光学系统由反射施密特改正板MA和球面主镜MB组成，MA和MB均为对角径1.1m的六角形子镜的拼镜面。

LAMOST is a meridian telescope with a fixed spherical mirror MB, an alt - azimuth mounting reflecting Schmidt corrector MA and a focal plane.

LAMOST是一架准中星仪式的望远镜，由于它的球面主镜MB是固定的，对天体的指向跟踪运动完全由MA 担任。

An algorithm of determining the minimum convex spherical polygon is presented.

继而给出星下点最小凸球面多边形的判定算法；与传统方法不同，该算法无需求解星下点坐标即可判定星下点几何特征，进而计算卫星分布面积，作为星下点几何特征的二维表征。

The design and implementation of planar tile pyramid tile topological model, but this model was extended to the global level, and to achieve a global scale suitable for remote sensing images and terrain data expression of spherical tile pyramid model.

设计并实现了基于平面瓦片金字塔的瓦片拓扑模型，同时将该模型拓展到球面上，实现了适合全球尺度下遥感影像和地形数据表达的球面瓦片金字塔模型。

Research based on data from the organization of multi-resolution, multi-scale data storage solutions for a series of theoretical and technical issues, Virtual Earth focus on the technical framework, spherical tile pyramid model, with tiled OGC WMS services integration, and geospatial services portal integration aspects of a more systematic analysis and experimentation, and come to some conclusions. The main contents are: This paper aims at database security which is a hot topic of information security at present. The database is the most important part of information system and it play an important role.

研究了从数据基础组织到多分辨率、多尺度数据存储所需解决的一系列理论和技术问题，重点在虚拟地球技术的架构、球面瓦片金字塔模型、与OGC瓦片WMS服务的集成、与空间信息服务门户的集成等方面进行了较为系统的分析和实验，并得出了部分结论。

In this paper ,imitative shell method is adopted to analyze the static properties of single layer short-distance spherical shell.

本论文采用拟壳法进行单层短程线型球面网壳的静力分析。

Spherical concepts clear, public shell plates of geometric design.

球面概念明确，公球壳板的几何设计方法。

The nonlinear dynamic behaviors of a single layer reticulated spherical shell were investigated.

重点研究了单层球面网壳的非线性动力回应行为，对网壳结构在地震作用下的动力失稳状态以及倒塌现象作了理论上的研究，为"结构倒塌"作出了合理的定义，并进而探讨了网壳结构失稳机理。

A formula based on FFT is given to study the pulsed spherical beams propagating in free space with the arbitrary cross section.

推导出了利用FFT研究具有任意初始截面的脉冲球面光束的传输方程。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。