数据库

This algorithm establish Transaction -Tree which is based on Transaction database,create frequent itemsetby backdate reversely from leaf nodes.

此算法主要利用事务数据库建立事务树的方法，由叶子结点反向回溯，导出频繁集。

It supports unlimited number of companies, for example one backend database for one company.

它支持无限数量的公司，例如一后端数据库，为一间公司。

The behavior of this method will change depending on which backend database you are using.

此方法的行为会影响并改变正在使用的后端数据库。

It is up to the complexity of the database that the developers make a choice to use XML as their backend.

这是到数据库的复杂性，开发商有选择地使用他们的后端的XML。

In the information management system of school management information system development is one of the typical examples, it mainly consists of two parts, the backend database and front application program design.

在信息管理系统开发中学生管理信息系统是其中的一个典型事例，它主要由两大部分组成，后台的数据库和前端应用程序的设计。

This system based on B/S structure design and development, using asp.net technology, with SQL Server 2000 as a backend database.

本系统基于B/S结构设计和开发，运用ASP.NET技术进行编码，以SQL Server 2000作为后台数据库。

It is tempting to think that having a RDBMS backend to the directory solves all problems .

给目录一个关系数据库管理系统的后端来解决所有问题，这个想法无疑是很诱人的。

Tested approaches where background reflectance is described as a n-degree polynomial in wavelength, resulting in a second degree polynomial (n=2) for the O2-A band, while a higher degree polynomial (n=6) was necessary for the O2-B band, as tested over a large database of many possible combinations of r and F cases.

测试(2009)方法在背景反射被描述为一个n-degree 多项式的波长，导致了第二学位多项式(n = 2)，而O2-A乐队更高程度的多项式(n = 6)是必要的，O2-B乐队测试在大型数据库的吗许多可能的组合和F的病例。

Thesis on the topic of the washing that background, the task sources, to be accomplished by the development and function of the whole process Note the emphasis of the system design focus, design, database design and system solutions.

论文主要介绍了本课题的选题背景，课题来源，所要完成的功能和开发的全过程。重点的说明了系统设计的重点、设计思想、数据库的设计和系统的解决方案。

The site also provides DOE/USDA requests for proposals; a backgrounder on biomass feedstock supply, sustainability, and systems engineering; a bibliographic database; an image gallery of energy crops; and links to non-governmental bioenergy organizations.

该网站同时提供如下内容：向美国能源部与农业部提出建议的途径，生物数量的充足供给、可持续性及系统工程的记者招待会，相关书籍目录的数据库，能源作物的图库，以及其它一些非政府生物能组织的相关链接。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。