通过对天基网络性能的分析，用“最优相对相角”方法设计适合我国的全球无缝覆盖的LEO／MEO双层天基信息网体系结构模型。
Based on the advanced constellation design technique called "The best relative angles", a LEO/MEO double satellite communication system suitable for our country's conditonns is proposed.
建立长江水文数据信息网三层体系结构是目前水文信息系统建设中较好的解决方案。
To build a three -level systematic structure for the Yangtze River hydrological data information Network is a superior solution for present formation of hydrological information system.
建立长江水文数据信息网三层体系结构是目前水文信息系统建设中较好的解决方案。
To build a three -level systematic structure for the Yangtze River hydrological data information Network is a superior solution for present formation of hydrological information system.
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