This paper designed and realized a distributed database system of the urban electromagnetic environment and the distributed query processor in the system.

本文设计和实现了一个分布式的城市电磁环境数据库系统以及系统中的分布式查询处理模块。

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This paper designed and realized a distributed database system of the urban electromagnetic environment and the distributed query processor in the system.

本文设计和实现了一个分布式的城市电磁环境数据库系统以及系统中的分布式查询处理模块。

youdao