查询词典 data base key

After that, the issue, which should be solved in the picture additive process, is discussed in detail. On the base of analyzing digital television signal data construction, TBC processes is put forward to apply in each group signal. Effective data taken off from the key signal is also solved. And the choice and insertion is used to protect assistant data.

接着，详细讨论了在图像叠加过程中应解决的问题，在分析了数字电视信号数据结构的基础上，提出了对各路信号进行TBC处理的方法，同时解决了对键信号进行有效数据提取的问题，并通过选择插入的方式对辅助数据进行了保护。

And then, the exploitation methods and the key techniques of USIS, including data base design, main surface realization, MAPGIS secondary development, OpenGL 3D mapping techniques and digital mapping and intellective analytical technology, are discussed.

介绍了建立地下空间信息系统的目的和意义，论述了USIS的开发方法及其关键技术，包括：数据库技术、界面实现技术、MAPGIS二次开发技术、OpenGL三维图形开发技术、数字制图与智能分析技术等，并结合东深供水改造工程地下空间信息系统进行了开发方法和关键技术的应用研究，最后，对USIS的发展趋势作了较深入的分析，指出了今后研究的几个主要方向。

Base on many years of experience in development and manufacturing, we get a lot of basis data of asteroidal magneto, through the analysis of these data and with the application of base theory of generator design, this thesis introduces a standard method of magneto key parameters design.

本文在总结磁电机生产企业多年仿制开发、生产的基础上，通过对大量星形磁电机品种的数据进行分析、归纳，运用电机设计基础理论，提出了星形磁电机关键参数的规范化设计方法。

Lastly, we study a model of the heat flow cryptosystem base on a linear pseudoparabolic equation. The C-N difference scheme arithmetic of the encryption and decryption problems is designed. Then the numerical simulation is done through computer programming. So by analysing the simulation data we deduce many regularly conclusions on the influence of the key functions to the encryption and decryption operations, which establish the theoretical base for the application of this cryptosystem.

最后，文章研究了一类基于线性伪抛物型方程的热流密码体制模型，设计了加、解密问题的C—N差分算法并通过计算机编程进行了数值模拟，得出了一些不同密钥函数对加、解密作业影响的规律性结论，为该密码体制的现实应用奠定了理论基础。

Cotton bollworm is more serious pest in cotton belt of Xinjiang, China. In order to guarantee the biggest commercial cotton belt sustaining and healthy, Information project of pest monitoring and prediction is carried out in this commercial cotton base. In this research, we are focusing on automatical data acquisition, data delivery, design and construction of database, data processing and data display and forecast based on GIS. Key technologies and difficulty are explored, which is built the manipulable technologies and management platform for regional monitoring and prediction of cotton bollworm.

棉铃虫在新疆棉区危害逐年加重，为保障我国最大商品棉基地的可持续发展，开展了优质棉基地植保信息工程研究，本文结合新疆植保体系发展和未来新技术的动向，重点集中在有害生物数据自动化采集、数据远距离传输、数据库设计和数据库建设、模型处理和GIS系统在预测和信息发布上的应用，探索植保信息工程建设中的难点和关键技术，为区域化棉铃虫监测和预警提供技术保障和管理平台。

Knowledge representation and data base building are key techniques for the on development of the knowledge-based gun barrel CAD system.

知识的表示与数据库的构造是开发基于知识的枪管CAD系统的关键。

On the base of applied tech. and system structure, the key tech. are expressed in detail. It includes:Knowledge representation technology: it is described in two stages by "Depictive frame + Rule group"."Depictive frame" is used to reflect the factors concerning question field."Rule group" reflects the son-question in question field; knowledge management system: it is made up of knowledge-base editing component, factor classifying component, knowledge inspecting component and extractive knowledge component; uncertainty reasoning adopt method of elicitation search strategy and data drive controlled by member knowledge. It take reliability of compound proof at first. That can resolve the matching contradiction. Reasoning explanation introduce pre-text and followed method of resolving path. Knowledge discovery component take SLIQ as basic arithmetic. It provides classification model in two stage forms which aim at training suit. That is decision tree and productive rule.

在确定应用技术与系统结构的基础上，重点阐述了本文的核心技术，这包括：知识表示技术，采用"描述框架+规则组"的层次结构，"描述框架"用于描述问题域所涉及的因素，"规则组"反映问题域内的子问题；知识管理系统，由知识库编辑构件、因素分类构件、知识检测构件和知识求精构件组成；不确定性推理机采用启发式搜索策略，元知识控制的数据驱动，以复合证据可信度优先作为匹配冲突消解的策略，推理解释采用预置文本与求解路径追踪的方法；知识发现，采用SLIQ快速可伸缩算法，分类模型用判定树与产生式规则两种形式描述。

Among them, the proscenium application and backstage data base connection are development difficult point , invigilating the algorithm assigning is system develop key component.

其中，前台应用程序和后台数据库的连接是开发的难点，监考员分派的算法是系统开发的关键部分。

This paper mainly studied the key technology of weight and centre of gravity accuracy control of offshore structures and floaters, developed structural design of weight and centre of gravity data base and realized its main function by using VB and ACESS. And the tolerance distribution calculation formula of weight and centre of gravity of offshore structures and floaters was worked out by utilizing dimension chain principle. The dynamic adjustment and control method of weight and centre of gravity tolerance during construction was raised.

文中重点研究海洋结构物空船的重量、重心精度控制技术的关键技术，开发了重量、重心数据库的结构设计，采用VB和ACESS实现了该数据库的主要功能；应用尺寸链原理推导了海洋结构物空船重量、重心公差分配计算公式；提出了在建造过程中进行重量、重心误差的动态调整控制方法。

It is reported, verus platform contains 4 to joy stick, have on enter, begin, regressive, switch on the mobile phone, restart, be in a poor light / close wait for key-press, and portable memory CF gets stuck, can insert equipment to choose miniature hard disk, adapter of the DC power supply that still contains DC 5v, 2.5a additionally, AC-DC and agency equipment, will undertake data-base applies change and making the movie.

据悉，Verus平台带有一个四向把持杆，上有进入、起头、退却退却、开机、重启、背光开/关等按键，以及可挪动存储CF卡，并可拔出备选微型硬盘，此外还带有DC 5v 、2.5a的DC电源、AC-DC适配器以及前言行动措施等，来进行转化和生成片子资料库应用。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。