全国通信系统 national communicatio system 全国通信协会 nca national communications association ..
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Rakel网是一个新的全国性无线电通信系统，用于公共安全机构，例如警察、救援、海关、海岸警卫队和国防军。
Rakel is a new nationwide radio system used by public safety agencies such as the police, rescue services, customs, Coast Guard and the Defense Forces.
全国电力系统控制及其通信标准化技术委员会。
National Standardization Technical Committees of Power System Control and Associated Communication.
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