查询词典 distributed data base

This dissertation firstly introduces the principles of four kinds of simple gridding methods, which are"Linear interpolation based on triangulation","Inverse distance weighted and averaged method","Modified Shepard's method"and"Multiquardirc method". Secondly, it researches the Ordinary Kriging method for geophysical irregular data, which mainly includes the base knowledge of region change and variogram and the principle of Ordinary Kriging method. Thirdly, it researches the Inverse Interpolation for geophysical irregular data, which mainly includes the principle of inverse interpolation and its iterative algorithm, and the principle of Inverse Interpolation to realize the gridding of geophysical data. Finally, it uses these gridding methods to grid theoretical model data of potential field and raw aeromagnetic data, and compares and analyzes the gridding results.

本文首先简单介绍了地球物理不规则分布数据的四种简单网格化方法(即基于三角网的线性插值法、反距离加权平均法、改进的Shepard方法和多元二次函数法)的方法原理；接着，重点研究了地球物理不规则分布数据网格化的普通克里金法，主要研究了区域变化量、变差函数的基础知识和普通克里金法的方法原理；之后，重点研究了地球物理不规则分布数据网格化的反插值法，主要研究了反插值法的方法原理和迭代求解算法，以及反插值法实现地球物理数据网格化的原理；最后，应用这些方法对理论位场模型和实际航磁数据进行了试验、对比和分析。

The Internet switching service method for providing an Internet switching service to a subscriber connected to the Internet (214) to make an Internet telephone call by using an ID of a receiver are achieved by inputting the ID of a receiver who the subscriber wishes to communicate with, searching a data base (202) where a plurality of IDs and communications address data of the IDs are previously stored, for communications address data corresponding to the IDs, sending the searched communications address data to the subscriber, and the subscriber performing a telephone call, a fascimile transmission or sending a post by using the searched communications address data.

对与因特网(214)连接的用户提供因特网交换业务以利用接收方ID进行因特网电话呼叫的因特网交换业务方法，通过下列步骤实现：输入该用户想与之通信的接收方ID，对先前存储有多个ID和这些ID的通信地址数据的数据库(202)搜索与该ID对应的通信地址数据，将搜索到的通信地址数据送给用户，以及该用户通过用搜索到的通信地址数据进行电话呼叫、传真发送或发送邮件。

Copper Distributed Data Interface is a version of FDDI (Fiber Distributed Data Interface— a 100 million bit per second local area network) that runs on unshielded twisted-pair cabling rather than optical fiber.

铜线分布数据接口是FDDI(光纤分布数据接口，一种100Mbps局域网)的一种版本，传输线路采用非屏蔽双绞线而不是光纤电缆。

Then, after reviewing former research, we combine the solution of industry and academy, a new architecture called BWADM based on the researches above is proposed, it is a distributed data mining system based on Web services and Agent in Electronic commerce environment. Web service composition rules and execution of Web service composition are discussed. These modules are introduced detailedly in Electronic commerce environment; there are algorithm management module, control center module, algorithm database module and model representation module. Lastly, a prototype system of distributed data mining is given in Electronic commerce.

在此基础上，结合业界和学术界对Web服务和移动Agent的研究成果，将Web服务和Agent最新技术引入了电子商务环境中分布式数据挖掘，提出了电子商务环境下基于Web服务和移动Agent技术的数据挖掘架构BWADM，并论述了组合服务规范与组合服务的执行，具体阐述了此架构的数据预处理组件、算法管理组件、控制中心组件、算法库组件和模型表示组件。

More and more practical data in sensor network、communication、Internet flow analysis and Web log etc, are transported from teledata sources. Therefore, we need to construct the middleware of distributed query processing for data streams to support above application.P2P technique is used to build a huge distributed network for the processing of large number of information by internet terminals.

现有的数据流的研究主要为集中式的流数据系统，而数据流的本质是分布式的，越来越多如传感器网络、数据通讯、Internet流量分析和Web日志等的大量数据都来自不同的远程数据源，因此，需要构建分布式数据流查询处理的中间件以支持上述各种应用。P2P技术利用互联网的终端机来建立一个庞大的分布式计算网络，并对迅速涌出的大量信息进行处理。

Alpine steppe soilswhich is distributed from Tibet southeast to central section and northwestward is high cost ozone of soils base, CaO is primary in base matter, but KO is the second; the interbedded variety of Calcium and Magnesium is relative great in soils profile, especially Alpine desert soils in Tibet northwestward, base gross is the most, but interbedded variety in soils profile is decreased by a long way.

由此至中部和西北部的高山草原型土壤分布的盐基高值区，盐基物质以CaO占优势，而K_2O则退居第二位，土壤剖面钙、镁的层间变化相对较大；尤其位于西北角的高山漠土，盐基总量达到最高值，但其剖面的盐基层间变化却大幅度减小。

Firstly, a probability computing model is constructed to present system call sequences and the SCSFA algorithm is designed to predict the attempt of intrusion and to determine what need to protect, which is based on the analysis of system call sequence in virtual computing systems; Secondly, the sensitive data protected are divided into a number of film data, and for the goals of random errors tolerance, each tablet data are redundant backup based on Byzantine fault tolerance; Then, the redundant data are distributed to different virtual machines.

设计SCSFA算法分析虚拟计算环境的系统调用行为序列，以识别虚拟计算环境下的入侵企图，预测敏感数据的高危区域；其次，将要保护的数据划分成若干片数据，并以容忍虚拟计算环境随机错误为目标对每个片数据冗余备份；然后将冗余片数据分散到不同虚拟机上。

Surface ozone data of Mauna Loa and the other 14 monitoring sites of altitude lower than 1000 m in the northern hemisphere were used to give a joint discussion for the distribution and variation features of surface O3. The data, based on ground observation, were collected, processed, and distributed by WDCGG (World Data Centre for Greenhouse Gases) in GAW. The monthly mean and hourly data of surface ozone in these 15 sites were analyzed to sum up the difference of surface ozone annual and seasonal variations in different areas of the northern hemisphere.

利用来自GAW（Global Atmosphere Watch，全球大气监测）的、由WDCGG World Data Centre for Greenhouse Gases，世界温室气体数据中心）收集整理和发布的、基于地基观测的北半球共15个站点的地面O3含量的逐月观测资料以及逐时观测资料，分析、对比并总结了北半球不同经纬度各区域的地面O3含量的年变化和各个季节的日变化规律。

On data management, this paper uses Geodatabase and ArcSDE to manage graphic and attribute of spatial data, which can implement seamless integration and incorporable management. ArcSDE joins the distributed spatial and attribute data, so the users can maintain higher storage and data integrity.

在国土资源数据管理方面，ArcSDE与Geodatabase结合，实现了空间数据的图形和属性的无缝集成和一体化管理，把目前分别存储的空间数据和属性数据结合起来，从而保证了更高的存储效率和数据完整性。

1 The basic components Base station, jurisdiction center, sea area center (1) base station Function receiving ship borne data and broadcast data under the control of the jurisdiction center Configuration Transceiver, base station controllers and network equipment, constituted a internal LAN.

1.1基本组成基站、辖区中心、海区中心。。（1）基站功能在辖区中心的控制下接收船载数据和播发数据。配置收发器、基站控制器和网络设备，内部形成局域网。

Bob Eckert has been chairman and chief executive of Mattel for eight years.

美泰董事长兼首席执行官鲍勃·埃克尔特在任已8年。

The outlook for honors and disgraces carries on and surpasses the traditional outlook for honors and disgraces theoretically, and carries on and develops the theory of construction of socialist mora...

社会主义荣辱观的提出在理论上是对传统荣辱观的一次继承和超越，是对社会主义道德建设理论的继承和发展，在实践上有利于形成良好的社会风尚。