There are many ways to structure a portal, but the important themes that should run throughout the portal and the overall KM solution are integration, organization, searchability, and traceability.

有很多种方法来搭建一个门户，但最重要的主题是应该使全面的门户和知识管理解决方案是综合的，有组织的，可检索的和可跟踪的。

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This paper analyzes the organization structure for numerical forecasting data of the city air quality in space and in time, and constructs an overall frame for the multi-dimensional space data.

通过分析某城市空气质量数值预报数据的时空组织结构，构建出了多维空间数据的整体框架。

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