数据库

Supported by Blackland GRASS Geographic Information System,the basic and special environmental databases of West Lake Watershed were established.

以地理信息系统(BlacklandGRASS软件)为基础平台，建立了西湖流域基础和专题数据库；结合地下水污染风险评价专业模型，计算出流域内地下水污染风险图。

Soil total nitrogen content and soil available nitrogen content of farmland in Shuangcheng city were analyzed in the research based on 80s' soil nutriments data of the Scientific Database of Agroecology and Blackland in Northeast and 500 soil samples that were collected from the field in 0-20cm in 2005. The maps of soil TN and AN (1:50000) in the 80s were digitized and overlaid with the correspondent maps of 2005 using ArcMap.

本研究利用科学数据库多年来积累的历史图件和数据，并结合2005年耕层（0-20cm）500个采样数据为基础，选择典型黑土区双城市农田为研究区域，分析了22年来该县耕地土壤全氮和碱解氮的时空变化。

Phishing Blaster's database is updated regularly to be as close as possible to real time.

网络钓鱼的Blaster的数据库是定期更新，以得到尽可能接近真实的时间。

If database object bloat is the problem, Apex SQL Apex SQL Clean tool is the solution.

如果数据库对象的膨胀问题是，尖的SQL顶点的SQL清洁工具，是解决问题的方法。

Therefore, you may want to consider storing a copy of your BLOB data both in the database and via the file system.

因此，您可能需要考虑存储您的BLOB数据的副本都在数据库中，并通过文件系统。

Prospects block design pages using the call database, greatly improve the efficiency of the establishment of the station.

前台设计页面中用块的方式调用数据库，大大地提高了建站效率。

It is capable of directly and in-time book-keeping, it is also a combination of modern computer and network communication technology.

它具有直接、及时入帐的实时处理能力，是现代计算机技术、现代数据库技术和现代网络通讯技术的结合。

However,its utilization must be in prerequisite of carrying out the basic study of booklist database.

但其利用前提是必须开展书目数据库等基础性研究。

Since the existing vehicle driving simulator is lack of incarnating the contents of road sign and Highway Code, the road sense instruction system based on knowledge base is put forward and the detailed road sense database is composed; a simple and practical UI is constituted to make the bald booklore put more road sense into the process of virtual driving.

针对目前汽车驾驶模拟器存在的道路标识、标线及交通法规知识内容体现不足的问题，提出了一种基于知识库的汽车驾驶知识学习系统框架，构建了详细的驾驶知识数据库；建立了简单实用的用户界面，将枯燥的书本知识变得简单生动；同时，将知识库知识与虚拟驾驶模拟器融合，使驾驶知识融入虚拟驾驶全过程。

Databases use Boolean logic to locate only those items that match your search.

数据库运用布尔逻辑查找那些与你搜索匹配的条目。

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。