查询词典 geometrical mean

It established the relation between apex angle and tucking angle of gusset of extrusion line for blown-ilm through geometrical deduction.

摘 要 ：通过几何推导，确立了吹膜机组插板顶角与插板插入角之间的关系。

As the classical Apollonian packings are important for the understanding of geometrical fractals in real systems, the network models in relation to these fractals are also useful in the understanding and modeling of some real-world networks.

正如阿波罗分形垫可以很好地描述一类分形系统一样，这类由经典分形产生的确定性网络可以很好地描述一类复杂系统。

Considered the inside and outside contour line was Archimedes spiral in the cold rolling, the forming law of rectangular cross sectional rings has been studied. And the more precise geometrical models and calculation models have been gained. The researches can be used as a theoretical and experimental foundation for the simulation of ring rolling process. At the same time, the results of theoretical analysis have a good agreement with the results of practical rolling production.

本文在考虑冷轧过程中环件的内外轮廓线均为阿基米德螺线的情况下，对矩形截面环件的轧制成形规律进行了研究，得到了较精确的几何模型和计算模型，为环件轧制过程的模拟提供了理论依据和实验依据，同时理论分析的结果与实际轧制生产过程中的结果有较好的吻合。

In this paper, three types of image data base is proposed, that is, attribute-oriented, feature-oriented and knowledge-oriented; the public fundamental structure of image data base system in each field is implemented, the improved expression of image geometrical feature is given, the strong command language and necessary auxiliary means to manage image data base are designed.

文中提出了图象数据库的3种类型，即面向属性型、面向特征型和面向知识型；实现了各领域上的图象数据库系统共有的基本结构；给出了一种改进的用于表示图象几何特征的方法；设计了一种具有较强功能的命令语言和管理图象数据库所必要的辅助手段。

That geometrical spot where divine reason ratifies mine will always be incomprehensible to me.

在这个由人、鬼、神组成的几何模型中，神圣理性认可了我的理性，这一点我仍匪夷所思。

If we have enough data in training set, the nearest neighbor graph that is defined by LPP can provide the best approximation to geometrical structure of image data.

在检测集的分布比较均匀的情况下，LPP算法定义的最近相邻图可以很好地模拟数据集的几何结构。

BACKGROUND: Prosthesis selection for total hip replacement is determined by geometrical matching with femoral medullary cavity of patients and the optimal biodynamics. It is of great significance for elevating outcomes of total hip replacement.

背景：人工髋关节置换术前选择假体时，不仅要考虑在几何学上达到与患者股骨髓腔的匹配，而且还要在生物力学性能上达到最优，这对提高全髋关节置换术后疗效，具有较现实的意义。

Events,Operation and Relation of Sets, Classical Probability, Geometrical Probability , Statistical Stability of a Frequency, Axioms of Probability, Conditional Probability, Total Probability Theorem, Bayes' Rule,Independent Events,Independent Repeated Trials, One Dimensional Random Variables, Discrete Random Variables, Distribution Function of a Random Variables , Continuous Random Variables, Normal Distribution, Distribution of a Function of a Random Variable, Multidimensional Random Variables, Joint Distribution Function, Marginal Distribution Function,Discrete Two—Dimensional Random Variables,Continuous Two—Dimensional Random Variables, Independent Random Variables, Distribution of Functions of Random Variables,Expectation,Variance, Covariance, Coefficient of Correlation, Bivariate Normal Distribution, Law of Large Numbers, The Central Limit Theorems, Sample and Population ,Chi—Squared, T and F Distributions , Sampling Distributions , Point Estimation , Interval Estimation , Testing Hypotheses , A Test of Significance for Parameters in a Single Sample From a Normally Distributed Population , A Test of Significance for Parameters in Two Sample From Normally Distributed Populations .

本课程的主要内容：概率的概念与运算、随机变量及其分布、随机变量的数字特征与极限定理、数理统计的基本概念、估计和检验的基本方法，随机事件与概率随机事件、事件的关系与运算、几何概率、统计概率等，条件概率、全概率公式、贝叶斯公式、事件的独立性、二项概率公式，随机变量的概念、离散型随机变量、随机变量的分布函数、连续型随机变量、随机变量函数的分布，多维随机变量及其分布函数、边缘分布函数、随机变量的独立性、二维随机变量函数的分布，数学期望、方差、协方差和相关系数、大数定律、中心极限定理，总体与样本， X 2-分布、 t-分布和 F-分布，统计量及抽样分布，假设检验的基本概念、单个正态总体参数的显著性检验、两个正态总体参数的显著性检验。

The relaxation results showed that La filling had significant effects on the geometrical structure of CoSb3. In addition to that, La filling made the bond length, bond angle and charge density change.

CoSb_3为窄能隙半导体，在其能带结构的Γ点附近靠近费米面的能带呈直线的形状，且与k矢量成线性的关系。

The density function theory B3LYP method with LANL2DZ basic sets is adopted to opt all possible geometrical structures of Tin (n=2~7) and to get the most stable structure. Then, the binding energy and Natural bond orbital of Ti clusters are calculated and discussed.

利用密度泛函理论中的B3LYP方法，选择LANL2DZ基组优化Tin(2~7)团簇得到各团簇的稳定结构，然后对稳定结构的束缚能及自然轨道进行分析。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48