组合几何

它是由组合几何包CG发展而来的。

It is get by developing the combinatorial geometry package CG .

本文介绍了具有椭圆环几何处理能力的组合几何包CGT。

This paper introduces the combinatorial geometry package CGT with the capability of the torus geometric treatment .

组合几何二维剖面绘图程序2DSP

2D Section Plotting Programme ( 2DSP ) of Combination Geometry

组合几何二维剖面绘图是检验MARS几何和KENO几何描述合理性与正确性的一种工具。

Combination-geometry 's 2D section plotting is one kind of tool that checks the rationality and the correctness of the description of MARS and KENO geometry . Through particle tracking , the logical relation of combination geometry is checked .

屏蔽计算中的组合几何和射线跟踪方法

The Combinatorial Geometry and Radiation Track Technique in Reactor Shielding Calculations

适配器支撑飞行器/发射箱组合几何特性研究

Research on Geometrical Features of Assembly of Aerocraft and Container

一个组合几何问题初探

A primary study of a problem of combinational geometry

填充和覆盖理论是组合几何与离散几何中的一个重要分支。

Theory of packing and covering is an important field in combinatorial and discrete geometry .

两类典型的组合几何问题

Two Typical Problems in Combinatorial Geometry

实验结果表明，算法对旋转、缩放、平移、较大面积的剪切、组合几何攻击以及常规信号处理都有较强的鲁棒性。

Experimental results show the algorithm has a strong robustness in rotation , scaling , translation attacks , large area cropping , combination geometric attacks and common signal processing .

数值实验结果表明，所给算法较好地平衡了水印不可见性和鲁棒性之间的矛盾，可以有效抵抗几何攻击（包括组合几何攻击）及各种常见信号处理攻击。

The numerical experiment results showed that this algorithm is effective and can better balance the contradiction between the watermark invisibility and robustness . The algorithm can effectively resist geometric attacks ( including combination of geometric attacks ) and a variety of common signal processing attacks as well .

一种组合加权几何平均算子及其应用

Combined weighted geometric averaging operator and its application

下部钻具组合的几何非线性动态特性分析

Nonlinear dynamic analysis for bottomhole assembly

涡扇发动机组合变几何调节优化方法研究

A New Method of Optimization of Variable Geometry for Enlarging Surge Margin of a Turbofan Engine

结果表明，恰当的组合变几何调节可显著的改善发动机的稳定工作范围。

The results show that appropriate combined variable geometries can improve the engine aerodynamic stability greatly .

为现实工作需要，还专门研究并设计了投资组合的几何增值模型，优选投资组合模型以及投资风险与预期收益率的组合模型。

For the practical necessary , especially the geometry increment , the best choice and the risk and anticipated yield models are shown in the paper .

一种组合发动机变几何进气道流场特性研究

Study of flow characteristics for a variable geometry inlet on combined engine

波段组合的解析几何分析

Geometric Characteristics and Mechanism Analysis of Band Combinations

涡轮分子泵组合叶列几何参数优化设计方法的研究

Research on the Optimized Design Method of the Geometry Specification of the Vane Arrangement of the Turbomolecular Pump

利用该模块可以组合成多种几何结构、功率更高的半导体激光器组件。

The results also show that higher power laser module can be packaged with a multifold structure of the same design .

针对组合形状零件几何尺寸测量中的关键问题&轮廓识别，提出了一种基于弧长的轮廓特征点提取的方法。

An approach to extract feature points on the boundary based on length of arc is proposed in view of the key problem of measuring composite-shape parts .

单层网壳的动力稳定球面组合网壳结构的几何非线性稳定分析

The geometrically nonlinear stability analysis of the composite reticulated spherical shell

求解证券组合最优权重的几何方法

A Geometric Approach to Solving Optimal Weights of Portfolio

给出廖山涛一个关键的组合引理一个几何式的证明。

It is given a geometrical proof of an essential combinatorial lemma of Liao .

确定最优证券组合的一种几何方法

A New Geometric Method for Determining Optimal Portfolio

组合夹具设计的几何原理

Geometric theory on automated modular fixture planning

对点、弧、面、复合弧和组合面五种几何数据类型进行了定义；

Defined five kinds of geometric data types such as POINT , ARC , AREA , COMPOSITE ARC , COMPOSITE AREA ;

以小球垒成的几何模型为基础，阐述了其中的组合数列规律及几何关系。

This paper bases on geometric model made up of small balls , and elaborates their combined series rules and geometric relations .

本文提出了由几个不同的预测模型通过加权几何平均的方式进行组合从而得到加权几何平均组合预测模型，给出了确定最优权系数的方法。

Weight geometric average combination forecast model obtained by weighing several different forecast models , is presented in this paper . A method is given to determine the best weight .

指出了组合体是基本几何体经叠加和挖切等方式组合而成的，但组合体的投影并不是各基本几何体投影的简单组合，而是会发生相应的变化。

The combination solid is composed of the basic shapes after digging and piling , but the projection of the combination solid is not the simple combination of the projection of the basic shapes .