查询词典 databases

Large, centralized server farms can be used to deliver even the most sophisticated applications and the largest databases (e.g., Google Maps and Microsoft Virtual Earth).

大型并且集中的服务站点能甚至被用作来传输最复杂的应用程序和最大的数据库（如Google地图和微软的虚拟地球）。

In recently years, voluminous and complicated spatial data are accumulated in spatial databases wi...

3S技术的广泛使用使空间数据库中积累了海量、复杂的空间数据，这对传统的GIS空间分析功能提出了严重挑战。

So it is very important to tune the databases performance, i.e. improve the input/output mount of database and decrease the waiting time of system to respond.

故如何对数据库性能在进行优化设计，即提高数据库的吞吐量、减少用户等待时间具有重大意义。

The research and application of waterage integration framework solves the data integration and share problem of distributed and heterogeneous databases, significantly increases the work efficiency of waterway administration.

水路运输集成框架的研究与实现，很好的解决分布、异构数据库中数据的集成和共享问题，显著地提高了水路运输部门的工作效率。

The network environment of journal information services is composed of four parts——online catalog, E- journal abstracting and indexing databases,whole-length E -journal and services Of the networking document passing.

期刊信息服务的网络环境由联机目录、电子版文摘索引数据库、全文型电子期刊和网络化文献传递服务四个层次构成，它们将信息及信息检索系统动态地组织联合起来，形成了动态透明的信息环境。

The BLAST programs were used for searching protein and DNA databases for sequence similarities. The BLAST result showed that it was a new sequence and similar to zebra fish DNA sequence and some fish reverse transcriptase. But it has small homology of CYP 19 gene sequences that have been in Genbank.In addition, sequences were amplified by RT-PCR with using degenerate primers that weredesigned against CYP4 sequences.

另外，还根据昆虫CYP4家族的特异性氨基酸序列及P450超家族的共同特征序列，采用另一对简并引物，同样进行有关研究，结果显示：疣荔枝螺不同组织的RNA中都含有一长468bp左右的序列，这同样是一段新序列，与部分物种的CYP4存在一定的相关性，可能在螺体内起一定重要的作用，但具体功能有待进一步研究。

Amic Email Backup is a free application tool that designed to create backup copy of email databases.

阿米克电子邮件备份是一个免费的应用程序的工具，旨在建立备份的电子邮件数据库。

KDD (Knowledge discovery in databases) can find out the effective, novel, latent, and apprehensible information.

知识发现能够从数据库中识别出有效的、新颖的、潜在有用的、以及最终可理解的信息。

In order to determine organic storage and its space distribution characteristics in paddy field of region, on the basis of second soil survey database, the space databases in unit of soil local type were set up by adoption Arcview software, integrated with GIS software, basined on soil type methods and region scale, the distribution of soil organic carbon storages in purple paddy soil of Chongqing were investigated. The results showed that the storage of SOC in Banan district of Chongqing was 6.48×10^6 t and average SOC density in Banan district with 8.31 kg/m^2 was higher than that of China.

为了明确区域稻田土壤碳库蓄积量及其空间分布特征，以全国第二次土壤普查数据资料为基础，运用地理信息系统软件Arcview建立研究区以土种为单位的空间数据库，结合GIS空间分析功能，基于土壤类型法估算重庆市巴南区稻田土壤有机碳储量及其空间分布特征，结果表明：研究区稻田土壤有机碳总储量约为6.48×10^6t，平均土壤有机碳密度为8.31kg/平方公尺，略高于全国平均水平。

Information about this center and it's activities, as well as access to related online bibliographical databases are offered on the site.

该网站提供有关该中心的基本情况和活动的信息，还支持对相关联机数据库的检索。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。