查询词典 approximate integration

Then the spatial index is constructed which includes not only the external approximate expression but also interior approximate expression of spatial object and is extended from tranditional index only with external approximate expression. The index structures of MR-tree and MRD-tree based on multi-approximate expression are set up with the prototype index of R-tree, and the relevant algorithms about the index of insertion, deletion and search are provided. Then, the efficiencies of constructing index based on the multi-approximate expression and window range query are analysised and compared. In addition, the several algorithms and efficiency of soving the maximum enclosed circle and maximum enclosed rectangle are discussed and analyzed during constructing index based on multi-approximate expression.

首先，论文讨论了空间数据的特点、空间数据库的关键技术以及空间对象间的拓扑、距离以及方向关系，分析了空间对象的外部和内部近似表达，然后将传统索引中只利用空间对象的外部近似扩展为既有空间对象的外部近似又有空间对象的内部近似，即以空间对象的多重近似来构建索引，并以R-tree为索引原型构建基于多重近似的MR-tree和MRD-tree索引结构，然后给出了相关索引的插入、删除及查找算法，并通过实验比较分析了基于多重近似索引与基于外部近似索引的构建效率及窗口范围查询效率。

On the basis of analysis of the integration platform, some researches of applying key technologies for the realization of the integration platform are carried out: an integration solution for multi-source databases, which combines direct access mainly and data transformation secondarily; the function integration of the integration platform tentatively in the form of real-time interaction inte***ce; the operation integration schema to satisfy the consecutiveness and integrality requirements of operation flow.

2在集成平台剖析的基本上，研讨了实现集成平台的若干关键技术：提出了将直接拜访和数据转换相结合的异构数据源的集成计划；设计实时交互的接口，初步实现了集成平台的功能集成；提出知足业务流程联贯性和完全性的集成平台业务流程集成计划。

Through the theoretical analysis about technology integration and core competitive , this article looks into two important aspects of the technology integration: One is the new product technology integration, another is the batched production technology integration, and studies the essential factors which forms the core-competence, as well as the relationship of technology integration and core-competence, and the contribution of technology integration to enterprise core-competence.

本文通过对技术整合和核心竞争力的理论分析，详细分析了技术整合两个重要内容：一是新产品的技术整合，二是批量化生产的技术整合，研究了形成核心竞争力的要素，以及技术整合与核心竞争力的关系，技术整合对企业核心竞争力的贡献。

Chapter 3, we study the stability of approximate solutions of nonlinear equation problems(the continuous function is defined in the linear normed space).We prove that most of approximate solutions of nonlinear equation problems are stable; all accurate solutions are the essential points of the set of approximate solution; the connected component which contains the accurate solution is the essential component of the set of approximate solution; especially the number of essential components is finite.

第三章，研究定义在线性赋范空间上的非线性方程问题近似解及其解集的稳定性，得到线性赋范空间上在Baire分类下大多数非线性方程问题的近似解都是稳定的；精确解是近似解集的本质解；包含精确解的近似解集的连通区是本质连通区；包含精确解的近似解集的连通区为有限个。

In this paper, a region approximation idea that means using a "fat curve" with a width to approximate the offset curve is proposed, and a complete set of algorithms to approximate offset curve using disk Bézier curve are given and implemented. In the algorithms, the optimal and uniform approximate curve of the offset curve as the central curve of the Disk Bézier curve is found by using Remez method, and then the upper optimal and uniform approximation principle is proposed to compute the error radius function of the Disk Bézier curve. Thus, the whole Disk Bézier curve can be obtained. In the end of this paper, the approximate effect of the Disk Bézier curve is not only analyzed and assessed, but also some specific examples are provided.

提出用一条带宽度的"胖曲线"来逼近上述等距曲线的区域逼近思想，并建立与实现了圆域Bézier曲线等距逼近的整套算法，包括应用Remez方法求出等距曲线的最佳一致逼近曲线作为圆域Bézier曲线的中心曲线，提出上控最佳一致逼近的原理求出圆域Bézier曲线的误差半径函数，以及确定整条圆域Bézier曲线，最后还对该圆域Bézier逼近的效果做了分析和考核，并给出了一些具体实例。

And the direction query efficiency based on multi-approximate index is compared with that based on taditional external approximation index. 2 The algorithms of nearest neighbor and reverse nearest neighbor about point, line and ploygen based on multi-approximate index are proposed after the virous methods of distance measure are discussed in detail. And the query efficiency of NN and RNN based on multi-approximate index is compared with that based on taditional external approximation index. 3 The basic concept of semi-join and the strategy of distance-direction semi-join are introduced. And the model of distance relationship, direction relationship and the bounding for spatial object are discussed. Then the method is presented about how to implement the query of distance-direction semi-join, and the efficiency of the algorithm based on multi-approximate index is compared with that based on taditional external approximation index.

即：1在方向关系矩阵模型、开域方向模型基础上，讨论了基于多重近似索引下的定性与定量方向检索方法，并通过实验对基于多重近似索引与外部近似索引下的方向检索效率进行了对比分析；2详细讨论了各种距离度量方法，提出了基于多重近似索引下的点、线、面的最邻近查询和反最邻近查询算法，并通过实验对基于多重近似索引与外部近似索引下的最邻近查询和反最邻近查询效率进行比较分析；3介绍了半连接的基本概念，探讨了距离关系、方向关系以及空间对象数量的约束模型，给出了基于多重近似索引下的距离方向半连接实现方法，并通过实验对基于多重近似索引与外部近似索引下的距离方向半连接的效率进行了比较分析。

Aiming at the limit of date integration pattern, the paper put forward a kind of EAI(Enterprise Application Integration) solution scheme based on data integration. Then based on the foundation on analyzing distributed business system of chinaware enterprises, throughthe definition of mapping data collection by using functional data and combined with data integration schema, the paper put forward integration schema of concrete data of ERP and a kind of distributed management.

针对企业应用集成(Enterprise Application Integration，EAI)中数据集成模式的局限，提出了一种基于映射数据集和传输定义集的数据集成方案来实现企业不同应用系统的数据集成和功能集成，在分析陶瓷制造业分销体系和分销业务流程后，给出了一个陶瓷制造企业分销管理系统和ERP 系统集成的详细方案。

With the help of the Integration framework, the integration of RFID becomes more convenient in the Enterprize application. Fisty, we introduce the research background, the development of RFID integration technology in Enterprise application, and the goal, significance and content of the research. Then based on the characteristics of RFID integration and the analytics of existed RFID solutions put forward by big companies, an overview about the Integration architecture consideration is provided.

在研究了RFID应用集成相关技术的发展状况以及分析了各家大公司的RFID应用集成解决方案框架基础上，提出了我们自己的RFID应用集成方案，即采用基于语义事件的应用集成框架，语义事件分离了RFID事件和具体的企业应用，通过对RFID事件的组合和处理，语义事件满足了企业应用的业务需要，简化了企业对RFID的应用集成。

In order to eliminate integration drift in 3-phase alternating large current measurement apparatus, the substitution of inertia link (approximate integration circuit) for the integration circuit is proposed by our Research Group.

为了解决三相交流大电流测量装置中的"积分漂移"问题，我们科研组采用惯性环节取代积分电路。

The basic idea is to set a continuous solution of the region with a finite number of discrete points instead of a grid consisting of, these discrete points called grid nodes the solution of a continuous area on a given function of continuous variables used in the definition of discrete grid variable function approximation the original equation and boundary conditions in the micro-business operators to approximate differential, integral with the points and to approximate, so the original differential equations and boundary conditions are replaced by algebraic equations near Side, that is, finite difference equations , solve this equation group can get the original problem in discrete points on the approximate solution.

基本思想是把连续的定解区域用有限个离散点构成的网格来代替，这些离散点称作网格的节点；把连续定解区域上的连续变量的函数用在网格上定义的离散变量函数来近似；把原方程和定解条件中的微商用差商来近似，积分用积分和来近似，于是原微分方程和定解条件就近似地代之以代数方程组，即有限差分方程组，解此方程组就可以得到原问题在离散点上的近似解。

The network space is the typical form of abstract space when it comes to the digital stage.

网络空间是抽象空间数字化阶段的典型形式。

The Notarial System,as the system of judicial certification in our country,is both the constructor and the defender of social credit system,It has its special value and function in the social honesty.

公证制度作为我国司法证明制度，既是社会信用体系的建设者，同时也是社会信用的捍卫者，在诚信中有其特殊的价值和功能。