Because each index incurs extra data updating overhead, the goal should be to create a small number of indexes to cover as many queries as possible.
因为索引会带来额外的数据更新开销，所以应该争取创建少量索引来覆盖尽可能多的查询。
Compared with traditional internet-based CAD systems, the developed system supports real-time data updating, centralized computing engine maintenance and flexible charge of service fees.
与传统的网络CAD系统相比，本系统能够支持设计数据实时更新、计算引擎集中维护以及灵活的计费方式。
This is very important for the GIS data updating, particularly for those urban areas where ground features change rapidly.
这对于GIS数据更新尤其是对于特征变化很快的城市地区的数据更新十分重要。
This paper focus on forest resource state factors and their changes of lowest division unit and gives a data updating algorithm.
重点分析了最小单位森林资源状态因子及其变化规律，提出并实现了数据更新算法。
However, for different spatiotemporal data models, there is a big difference on spatiotemporal data updating and query approaches.
但对于不同的时空数据模型，时空数据更新处理和查询的方法存在很大差异。
The spatial data updating has important function on solving the spatial data sharing and interoperating.
空间数据的更新处理，在解决空间数据共享和空间数据的互操作性方面有着重要的意义。
In this paper, the author studied the methods of spatiotemporal data updating and query on the basis of base state with amendments model.
本文在基态修正模型的基础上，对时空数据更新和查询的方法进行探讨。
One of the major functions of GIS is data management and data updating is one of the most fundamental requirements of the data management.
GIS的主要功能之一是数据管理，而数据更新是其最基本的要求之一。
A definition of data updating of forest resource management information system is given after describing a general process of forest dynamics.
在描述一般森林资源动态过程的基础上，定义了数据更新。
The paper discusses Geomatics data updating at provincial level and related issues including updating method, technology scheme and data shearing etc.
主要从更新方法、技术方案及数据共享方面讨论了省级基础地理信息数据更新的相关问题。
The aim of information combination is to make full use of all kinds of remote sensing information and achieve data updating, supplementing and dynamically analysis.
信息复合的目的，在于充分利用各种遥感信息资料，实现对各种信息数据的更新补充以及动态分析研究。
Efficient index is the key to improve efficiency of XML query. A large number of XML index algorithms have been proposed, however, most of them didn't support data updating.
高效的索引是提高XML数据查询效率的关键，目前已经提出了许多XML索引算法，它们大多数都不支持XML数据更新。
The successful development of this system is bound to greatly reduce the company's manpower and material costs of navigation data updating, enhance their market competitiveness.
此系统的研发成功势必大大降低企业的导航数据更新的人力、物力成本，增强企业的市场竞争力。
The pattern of data using in an application is variable. When the quantity of data updating is large, cache with fixed size will lead to the sharp decrement of application performance.
但应用系统使用数据的情形是动态变化的，特别当数据更改数量大时，固定缓存会使应用系统的性能急剧下降。
The study shows that the mobile GIS has obvious advantage compared with traditional method in data collecting on field and data updating for land use; so, it can be used widely in land investigation.
研究结果表明，移动GIS较之于传统方法在信息收集与更新数据方面有很大的优势，在以后国家的土地详查中值得研究与推广。
Every 5 minutes they use a production Hadoop cluster to rerank content based on recent data, updating results every 7 minutes
每隔5分钟，他们使用生产环境中的Hadoop集群基于最新数据重新排列内容，并每7分钟更新结果
Of course, your Controller function probably won't actually just log a message to the console, it can do anything needed by your app - whether it's fetching data, updating the UI or anything else.
当然你的控制器函数不会只是输出一段调试信息，你可以根据需要做任何事情，获取数据、更新界面或者其他什么的都行。
Directory operations include storing new data in a directory, searching for and retrieving stored data, deleting unwanted data, updating obsolete data, and similar operations.
目录操作包括把新数据保存到目录，搜索和检索保存的数据，删除不需要的数据，更新过时数据，以及类似的操作。
Directory operations include storing new data in a directory, searching for and retrieving stored data, deleting unwanted data, updating obsolete data, and similar operations.
目录操作包括把新数据保存到目录，搜索和检索保存的数据，删除不需要的数据，更新过时数据，以及类似的操作。
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