查询词典 database key

The paper mainly concerns about:(1)Proposing the idea of completing the job using GIS software by discussing deficiency of the traditional transportation job;(2)Discussing the transportation plan algorithm and the flow, in this foundation, designing the transportation model programming realization flow chart;(3)With the comparison of the domestic and foreign GIS software platform, determining ArcGIS Desktop which has large drawing edit and spatial analyse functions as the development platform of transportation planning;(4)In the data organization and the database establishment, by using the recent object-oriented spatial data— Geodatabase and UML, completing the system database design and establishment, including spatial database, attribute database as well as transportation network database

详细研究内容如下：(1)论述了传统交通规划软件存在问题，提出了利用GIS平台开发交通规划系统的基本思想；(2)论述了交通规划的算法和流程，在此基础上，设计了交通模型编程实现的流程图；(3)通过比较国内外GIS软件平台，选定了具有强大图形编辑和空间分析功能的ArcGIS桌面版为交通规划系统的开发平台；(4)在数据的组织和数据库的建立上使用新的面向对象的空间数据—Geodatabase，并利用统一建模语言UML完成了系统数据库的设计与建立，包括空间数据库，属性数据库以及交通网络数据库；(5)论述了系统编程实现的基本方法，在ArcMap下采用VBA编程方法自由地定制了系统界面；(6)利用ADO Data和数据网格控件存取交通规划系统预测功能所需的数据库；(7)采用VB对ArcObject控件扩展开发方式，实现系统功能的开发，即利用COM技术的扩展性在VB中创建ActiveX动态链接库来实现特定的系统功能，并集成在ArcMap中运行；(8)系统完成了交通发生预测、交通分布、缓冲区分析、道路的网络分析、公交

The technology of database develops from hierarchy database, retiform database to relational database, even OO database, which has become the base of information system.

NET开发平台的结合，提出了一个基于XML数据平台的系统整合解决方案，并对该解决方案的实际应用进行分析和讨论，给出一个应用实例的设计。

A bstract: this system main contents is launching under the discussion of book sale management system, which main aim at a book batch to sell and retail sales sale is lord but carry on designing , in keeping with book's sell retail of management, specially be applicable to book market and book batch resources that sell company's coordination management.the system source code adopt c# language by writing format and in the vs.net 2005 integration environment bottom adjust to try to carry on, the sql server of the database adopt be 2000 backstages.it's system's turn to is a great deal of adoption abundant database technique, have already aim at a mold piece line of development, among them database operation layer technique a great deal of adoption saving process and trigger a machine of application, database interview layer technique adoption microsoft company of ado.net latest 2.0 development technique, the database mean a layer adoption unify of external appearance mode, make thus the whole system structure clear in meaning, the source code self own very good performance of readability and writability, then better convenience to customer operation and development personnel next move of development work, the type of tree control and user-defined page technique of usage make the whole system person's machine hand over with each other the function be more outstanding.

本系统主要内容是围绕图书销售管理系统而展开讨论的，主要针对图书批销以及门市销售为主而进行设计的，适合图书进销零售的管理，特别适用于书城及图书批销商协调的资源管理。系统源码采用c#语言书写格式，在vs.net 2005集成环境下调试进行，数据库采用sql server 2000后台。该系统大量采用了丰富数据库技术，有针对性模块行的开发，其中数据库操作层技术大量采用存储过程及触发器的应用，数据库访问层技术采用微软公司的ado.net最新2.0开发技术，数据库表示层采用统一的外观模式，从而使得整个系统架构明晰，源码可读可写性好，进而更好的方便了用户的操作及开发人员下一步的开发工作，树型控件和自定义分页技术的使用使得整个系统人机交互性能更为出色。

Database establishment in this thesis mainly develops the research of database content and structure. On the basis of National Maritime Research Institute database of winds and waves, the third chapter analyses the structure of its data table, determines the connection of different statistic data, formes the basic framework of database, and then compiles data management program, adds data import function, finally makes the database become a practical tool for ship design.

数据库的建立主要开展数据库内容及结构的研究，在日本海事技术研究所风、波浪数据库的基础上，分析其数据表格结构形式，确定各种统计数据的衔接问题，形成数据库的基本构架形式；进而编制和完善管理程序，添加数据导入功能，最终形成船舶设计的实用工具。

What's more, with fundamental research, the following solutions were put forward: Database connectivity technology, Which can help to implement this system which works in Client/Sever mode; the method of directly giving the Database system's operating purviews to right users with the application of DBMS' s authentication mechanism, which help to control Database's access; And also has set up user's password and managed the subsystem, in order to ensure the safety of database Formulation ,typing of the report form and connection technology of the database.

这些关键技术包括数据库连接技术，以实现客户/服务器模式下的数据库开发；结合数据库管理系统的自身鉴别机制，将数据库的权限赋予用户，以控制用户对数据的访问，并设置了用户密码管理子系统，以确保数据库的安全。还有报表的生成、打印及其与数据库的连接技术。

If a "reasonable" notion of database consistency is to be supported (I.c. the database system is to enforce it automatically), there are bound to be" conflict" situations where one transaction comes into an access conflict against some other transaction. If await is to be avoided,some means of a negotiated settlement of the conflict must be provided, thereby dragging the users into the details of concurrency control.The single-database model is more appropriate-ate than the multiple-database model in an environment where it is difficult to determine in advance logical partitions of the database that correspond to work to be performed, and the users closely cooperate.

如果一个数据库一致的合理观念要得到支持（即数据库系统要自动实行这个观念）、一定会有矛盾的情形产生、在这种情形中一个业务与其它业务产生存取矛盾如果要避免等待，就必须提供某种协商解决矛盾的方法，从而迫使用户详细了解并行控制单一数据库模式在某一种环境中比多个数据库模式更恰当，在这个环境中，要事先确定与要执行的工作相适应的数据库的逻辑分割是很难的，同时用户们又紧密地合作在一起。

The method includes steps: digital watermark technique is adopted to hide information of key data in not key data codes of compressed image; under protection of digital watermark, using protective backup for key data detects whether normal transmitted key data is correct or not so as to detect error code; carrying out cyclic mutual backup by using macro blocks in same positions in front and back macro block set; embedding coded motion vector in form of digital watermark to DCT transformation coefficient, and ensuring that video data are not influenced as best as one can; when error code occurs, if key data backup is correct, then the backup replaces former key data; otherwise, using mean value of key data in adjacent macro blocks within same frame to replace former key data approximately.

本发明中，采用数字水印技术在压缩图像的非关键数据编码中隐藏关键数据信息；通过数字水印保护下的关键数据保护备份来检测正常传输的关键数据是否正确，由此来检测传输误码；用前后宏块组中相同位置的宏块进行循环相互备份；对运动向量进行编码，然后以数字水印的形式嵌入到相对不重要的DCT变换系数中，同时保证视频数据尽量不受影响；在误码发生时，如果关键数据备份正确，则直接替代原关键数据，否则用同一帧内相邻宏块的关键数据的平均值近似替代原关键数据。

Pressing the UP/DOWN key to select the contents of inner playing format, pressing the LEFT/RIGHT key to select the previous or the next page. And you can select the playing modes such as Normal, Repeat one, Repeat All by pressing the MODE key. When selecting one page, pressing the OK key, then it will start to play. During the playing, pressing MODE key to select 11 different tone such as Jazz, class, dance, heavy, disco, soft , live, hall, flat, rock, pop. Pressing REC key to make A-B recycle playing, pressing OK key to pause.

按上下选择键进行内部播放格式目录选择，按左右选择进行目录下的上一页面和下一页面的选择，在当选择的页面时，可按机体侧面的MODE键选择播放模式(如：顺序播放，单曲循环，全曲循环)三种播放模式，当选择要播放的页面时，按五方向键中的OK键，此时可进入播放状态，在播放过程中，按MODE键可进行11种音效选择(爵士乐，聚会，舞蹈，重低音，狄斯高，柔软声，活泼，大厅，平坦的，摇滚，爆劲jazz class dance heavy disco soft live hall flat rock pop)，操作REC键可进行A~B回放，按方向键中的OK键可暂停播放或播放功能。

Pressing the UP\/DOWN key to select the contents of inner playing , pressing the LEFT\/RIGHT key to select the previous or the next page. And you can select the playing modes such as Normal, Repeat one, Repeat All by pressing the MODE key. When selecting one page, pressing the OK key, then it will start to play. During the playing, pressing MODE key to select 11 different tone such as Jazz, class, dance, he**y, disco, soft , live, hall, flat, rock, pop. Pressing REC key to make A-B recycle playing, pressing OK key to pause.

按上下选择键进行内部播放格式目录选择，按左右选择进行目录下的上一页面和下一页面的选择，在当选择的页面时，可按机体侧面的MODE键选择播放模式(如：顺序播放，单曲循环，全曲循环)三种播放模式，当选择要播放的页面时，按五方向键中的OK键，此时可进入播放状态，在播放过程中，按MODE键可进行11种音效选择(爵士乐，聚会，舞蹈，重低音，狄斯高，柔软声，活泼，大厅，平坦的，摇滚，爆劲jazz class dance he**y disco soft live hall flat rock pop)，操作REC键可进行A~B回放，按方向键中的OK键可暂停播放或播放功能。

If as a result of body shell keycap stuck with the key causes of the "key card" failure, may be key in the cap and put a gasket between the pads can be used稍硬some plastic (such as floppy disk jacket abandoned) made, its size is equal to or slightly larger than the key body size, and location by the rod through the ammonium can open a free passage under the square hole, in accordance with its set of poles, the plug cap; use this pad chip cap with the key body to prevent stuck, you can repair button; If as a result of spring fatigue, shrapnel resistance causes large card key failure, then the Special button to open the body, a little stretching to restore flexibility to reset the spring; Remove the key precursor to the resumption of shrapnel.

若是由于键帽与键体外壳卡住的原因造成"卡键"故障，则可在键帽与键体之间放一个垫片，该垫片可用稍硬一些的塑料做成，其大小等于或略大于键体尺寸，并且在按杆通过的位置开一个可使铵杆自由通过的方孔，将其套在按杆上后，插上键帽；用此垫片阻止键帽与键体卡住，即可修复故障按键；若是由于弹簧疲劳，弹片阻力变大的原因造成卡键故障，这时可特键体打开，稍微拉伸复位弹簧使其恢复弹性；取下弹片将键体恢复。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样