...系统重要概念 EN标准把铁路信号系统称为Safety—related System，定义为对安全负责的系统（Carries responsibility for safety），将风险评估技术应用于铁路信号系统也是为更好地保证系统的安全，实现安全相关系统应承担的安全责任。
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雷声公司将负责无线电系统的设计，精密电子公司将对生产、加固、安全和集成进行支持。
Raytheon will be responsible for radio systems design and Precision Electronics for support in production, ruggedization, security and integration.
受国家知识产权局委托，负责国家知识产权局系统的安全保卫、保密和防火工作；
to be responsible for the safety and security, secretes guarding and fire protection of the State Intellectual Property Right Office under its entrustment;
他们表示，欧盟特别代表须派出20个国家出现在欧盟的安全监视名单上，负责监视冲突的萌芽，并扮演一个早期预警系统的角色。
"They said EU special representatives should be sent to 20 nations on the bloc's security watch list to be on the look-out for burgeoning conflicts and act as an early warning system."
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