The whole system is made up of the monitor sub system, the collect sub system, the analysed examining sub system, the advanced retrieval sub system and management sub system.

整个系统由监控子系统、采集子系统、分析审核子系统、高级检索子系统和管理子系统等组成。

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Sometimes we need to monitor noise levels on an ongoing level and make longer measurements sub-divided by shorter measurement durations such as 5 minutes, 15 minutes or 1 hour.

有时候，我们需要不断监测水平的噪音水平，使子长测量由测量持续时间较短的划分，如5分钟，15分钟或1小时。

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According to system functions, the system is divided into four sub-systems: User Management, Project Management, Project Monitor and Project Maintenance and Others.

按照系统功能将系统划分为用户管理、项目管理、项目监控、维护及其它等四个子系统。

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