A collaborative spatial data production model in grid environment is proposed, especially the quality controlling policies are analyzed, and all above is validated in the system prototype.
提出了网格环境下的空间数据协作生产模型，分析了其质量控制策略，通过系统原型对本文思想进行了验证。
In order to deposit high quality and uniform thin films, it is necessary that we study the plasma characteristics in PECVD system, especially the spatial distribution of electron characteristics.
为了制备出高质量的、均匀的薄膜材料，这就要求我们对该系统中的等离子体特性，特别是对电子特性的空间分布规律进行深入的研究。
The system achieves video streaming reliable transmission in IP network, and meets the individual requirements of the different users for spatial resolution, frame rate and video quality.
该系统实现了视频流在IP网络上的可靠传输，并且满足了不同用户对空间分辨率、帧率和视频质量的个性化需求等。
Then the method of data check and evaluating each spatial data quality index was described. The research content and method had succeeded in applying to Guangzhou data check system.
此研究内容与方法在广州空间数据检查系统中成功实现、应用，软件实际应用结果表明，论述方法正确，检验结果可靠。
This paper introduces elements and methods of design for Spatial Data Quality Check System, and discusses Key technology of Spatial Data Quality Check System.
介绍了空间数据质量检查系统的设计原理与方法，并对空间数据质量检查系统实现的关键技术进行详细的论述。
According to spatial levels, water quality model may be divided into one dimension model, two dimension model, three dimension model, watershed model and model system.
水质数学模型的研究按照空间层次可以划分为一维、二维、三维模型和水系模型、模型系统。
According to spatial levels, water quality model may be divided into one dimension model, two dimension model, three dimension model, watershed model and model system.
水质数学模型的研究按照空间层次可以划分为一维、二维、三维模型和水系模型、模型系统。
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