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。

youdao

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

BBC: RES Glenchamber wind farm condition changes debated

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.

FORBES: Google Glass Project In Flux