Many concepts on mobile databases have been proposed.
移动数据库的概念应运而生。
So, many concepts on mobile databases have been proposed.
因此，移动数据库的概念应运而生。
The concept of mobile computing and mobile databases is generated, and it is a hot research field.
“移动计算”和“移动数据库”的概念就这样产生了，并且正在成为一个新兴的热点研究领域。
Most of the transaction management schemes for mobile databases are based on the wireless network with mobile support stations and are not suitable for MANET environment.
目前已有的事务处理模型大多是基于基站式无线网络，不能完全适用于MANET网络环境。
In mobile databases, data caching take the form of materialized views. Data is updated by communicating only the incremental part to reduce the demand for network bandwidth.
在移动数据库中，数据缓存普遍采取实体化视图的方式，数据更新通过传输增量部分，以降低对网络带宽的要求。
Information from E-mail systems, calenders, databases and other data sources is needed on mobile devices for review, update, and processing.
移动设备需要查看、更新和处理来自电子邮件系统、日程表、数据库和其他数据源的信息。
This is a real performance killer in Notes, especially for mobile users who replicate their databases by phone line.
这对Notes来说真正是一个性能杀手，对于通过电话线复制数据库的移动用户来说尤其如此。
And TIP gathers all these concepts in a single framework based on mobile devices, various databases, and event notification system, and it will be listed as a referenced model of developing LBS.
该系统把基于移动设备各种数据库和事件通知系统的观点整和到一个单一的框架中，并为LBS系统开发作参考。
For example, the mobile PC is shown as a laptop and the databases are shown using traditional database drum notation.
例如，移动PC被显示为笔记本电脑，数据库则使用传统的数据库鼓状符号来表示。
Embedded databases are mostly used in embedded systems whose storage capacities are limit, such as palmtop computers, PDA and mobile telephones.
嵌入式数据库大多用在诸如掌上电脑、PDA、车载设备、移动电话等存储容量非常有限的嵌入式系统中。
During this process, the use of information technology including: Internet, Extranet, e-mail, databases, electronic directories and mobile phones.
在此过程中，利用到的信息技术包括：互联网、外联网、电子邮件、资料库、电子目录和行动电话。
During this process, the use of information technology including: Internet, Extranet, e-mail, databases, electronic directories and mobile phones.
在此过程中，利用到的信息技术包括：互联网、外联网、电子邮件、资料库、电子目录和行动电话。
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