Background monitoring system is composed of YanHua industry control machine and PCI based data boards which guarantees the sampling data reliability and implements the real time pharos calculation.

数据采集系统平台由研华工控机及基于PCI接口的数据板卡组成，实现了可靠的数据采集和实时相量测量。

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Enabled (This is the default.) the profiling agent runs in the background of the JVM without consuming resources until it is connected to by the workbench and asked to start monitoring.

enabled(这是个默认值)：剖析代理在JVM后台运行不消耗资源，要到通过工作台进行连接并指示它开始监控时才消耗资源。

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Online monitoring of power system test signal contains a lot of background noise, not easy to detect.

电力系统在线监测中的检测信号含有大量的背景噪声，不便于检测。

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The developers are now seeking changes and amendments to three conditions which relate to the monitoring and levels of "background" noise from the development.

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Once the initial period of adaptation is over, those augmented streams of information slowly fade into the background of our minds as conscious effort is replaced with subconscious monitoring.

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