查询词典 distributed data base

The effective signal subspace effected on by the angular correlation is analyzed through the array covariance matrix. One distributed source from any degree of angular correlation cannot be generally taken as the independent distributed source.

对于实际应用和理论推导中，源内角度何等相关程度的分布源相关模型可等价于分布源独立或相干模型要做具体分析，不能笼统地认为所有分布源相关模型都用分布源独立模型描述和处理。

In terms of the geographic distribution, granite of China is distributed throughout the country; in terms of geological structure, it is distributed in all the orogenic belts; in terms of ages, granite of all ages from the Archean to Cenozoic are found in China; and in terms of rock types and genetic types, almost all the known granite types in the world occur in China.

中国的花岗岩在地理分布上遍及全国，在地质构造分布上遍及所有的造山带，在产出时代上从太古宙到新生代均有发现，在岩石类型、成因类型上，世界上已知的类型中国几乎都有。

When the underlying error term for tobit model is known to be normally distributed and homoskedasticity, maximum likelihood estimation is consistent and asymptotically normally distributed.

半参数估计是一种参数和非参数估计的混合，比相应的参数模型更能一致的估计参数，而且比非参数模型估计更精确，其优点是无需假定误差项分布，所以它对非正态和异方差是稳健的。

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。

In Chapter 4, on the basis of introducing the theory of linear operator semigroup and the Cauchy problem in Hilbert space, this dissertation has researched the method on solving solution of distributed parameter system, and the model estimation and optimal control of the nonlinear distributed parameter system.

本文第四章在介绍线性算子半群理论及希尔伯特空间中的柯西问题的基础上，研究了分布参数系统的近似解求解方法，一类非线性分布参数系统的模型辩识和最优控制等问题。

The design adopts the CENTUM CS1000 Distributed Control System, which was produced by Michael Tien company in Japan Yokogawa. The Distributed Control System has reliable hardware, reliable operating, feature-rich software and good operating characteristics. In the process of energy conservation, control and optimize the consumption will play a positive role.

PX装置异构化单元脱庚烷塔自动控制系统采用了日本横河-北辰公司生产的CENTUM CS1000集散控制系统，集散控制系统，其硬件可靠，运行可靠，软件功能丰富，具有良好的操作特性，并在工艺过程的节能、将耗和优化控制方面起着积极的作用。

The results indicate that Charybdis japonica is distributed mainly in the Dasha, Changjiangkou fishing ground that is in the north of (31°00′N), few is distributed in the south of (31°30′N).

结果表明：日本主要分布在31°00′N以北的大沙、长江口渔场，在31°30′N以南很少有分布，底质为沙或泥沙质。

The results indicated that the pesticide could be distributed through the body and cumulated in peripheral compartment relatively,but it could be eliminated rapidly.With parameters such as t1/2α valued 3.40min,t1/2β 59.03min and Cl 0.018ml·min-1,Its metabolism followed two-compartment open model after administration of 10 mg/kg.It was primary distributed to blood-riched organs and fat tissues and ready to be biotransformed.The metabolic product were detected in choler,which had stronger polarity with retention time 4.25min;and no parent compound was found in both urine and faeces.Key words: Toxicokinetics;Fenamithion;Organophosphorus pesticide

结果显示：螨胺磷在体内全身分布，并有周室富集，消除较快，在10mg/kg静脉注射呈二室模型，t1/2α为3.40min，t1／2β为59.03min，全身清除率Cl0.018ml·min-1；螨胺磷主要分布于血流量大的器官及脂肪组织；螨胺磷在体内不稳定，能被肝脏代谢转化成极性更高的化合物后经由胆汁排出，该成分可在同样的色谱条件下被分离，峰保留时间4.25min；粪尿中均未检出原药。

In addition, all these core modules conformably used the ACE interface while using thread operations, UDP communication, timer and other APIs closely related to the operating system, which improved the portability of code and solved the problem of cross-platform development of distributed system. Reliability guarantee layer and resource management module completed object-oriented interface design by using OMG's IDL language, which ensured the openness of the distributed system.

另外，所有核心模块在使用到线程操作、UDP通信和定时器等与操作系统密切相关的API时，统一使用了ACE的接口，提高了代码的可移植性，解决了分布式系统的跨平台开发问题；可靠性保证层和资源管理模块使用OMG的IDL语言完成面向对象的接口设计，保证了分布式系统的开放性。

With the continuous development of computer science and technology, the application systems in the future will be multilayer ones based on the object oriented, distributed, isomerous conditions. This kind of system is composed of distributed objects one by one, which have given functions singly. These objects are independent of network protocols, programming languages, and software and hardware platforms. These pro- perties make them communicate each other and work corporately.

随着计算机科学技术的不断发展，未来的应用系统将主要是建立在面向对象的、分布的、异构的、自治的环境中的多层应用系统，系统主要由一个个分布式对象组成，对象各自具有特定的功能，可以跨越平台，独立于网络协议、编程语言和软硬件平台，实现相互通信，协同工作。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了