Precision agriculture is an agricultural management system based on information and is implemented according to space variability existing in field information.
精细农业技术是一种以信息为基础的农业管理系统，又是依据农田信息存在的空间差异性而实施的。
Advocate for equal rights of all country to participate in Internet governance and acknowledge the right to ensure national security in information space based on its own laws and state system.
我们主张各国均有权平等参与互联网治理，有权根据本国法律和制度实际，维护本国网络安全。
The paper proposes a concept space-based subject crawler structure, which is used to a rapid, effective subject information search robot system.
采用了基于概念空间的主体爬虫结构，构造了一个快速、有效的主题信息搜索机器人系统。
The necessary function of a basic space information system should realize is analyzed in the paper first, and then we build up the structure of the system based on the analysis.
本文首先分析空间态势信息保障系统所必须实现的保障功能，并在此基础上构建空间态势信息保障系统的基本体系结构和分系统框架。
The paper provides some improving measures, and gives a model of active pushing system based on vector space model, which can better improve the efficiency of Web information retrieval.
本文提出了一系列优化措施，设计了一个基于向量空间模型的主动推送系统原型，更好的满足网上信息检索效率的提高。
With the background of the space ground-based application system, this paper analyses and researches the management and distribution of the data information system.
论文以航天地面应用系统为研究背景，分析了航天地面数据信息系统的管理和发布，在选题上具有重要的现实意义。
Based on signal and information processing technology, this thesis establishes Virtual Auditory Space and Virtual Surrounding system.
本文运用空间听觉理论实现虚拟空间听觉和虚拟环绕声系统。
A space-based platform for geo-spatial database building, space information service system and typical construction applications.
平台进行了空间基础地理空间数据库建设、空间信息服务系统建设及典型应用系统建设。
With the development of the communication and space technology, military satellite becomes more and more important in the operational system based on information supporting.
通过分析导航定位卫星的信息支援任务集合 ，建立了相应的效能评价指标体系 ； 采用定性与定量相结合的方式研究效能评估方法。
With the development of the communication and space technology, military satellite becomes more and more important in the operational system based on information supporting.
通过分析导航定位卫星的信息支援任务集合 ，建立了相应的效能评价指标体系 ； 采用定性与定量相结合的方式研究效能评估方法。
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