The observer object subscribes to events that report any state changes in the monitored entity, and then updates its own state based on information in those events.

观察器对象订阅那些报告所监视实体中任何状态更改的事件，然后基于那些事件中的信息更新自己的状态。

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These services are monitored during the manage phase for timely responsiveness for different service requests, detecting failures at service levels, and restoring the operational state of the system.

在管理阶段中，将监视这些服务对不同服务请求的及时响应能力，检测不满足服务水平的情况，并恢复系统的可操作状态。

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relayd(8) is now also able to send Simple Network Management Protocol (SNMP) traps through snmpd(8) when the state of a monitored host changes.

目前，当被监控主机的状态改变时，relayd(8) 还能够通过 snmpd(8) 发送 Simple Network Management Protocol (SNMP) 转移。

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Ryan Gabrielson of California Watch won the state reporting prize for a series looking at how abuse at state clinics was poorly monitored and investigated by the state office responsible for doing so.

WSJ: Mother Jones reporter wins Polk for Romney story

Tourists are allowed into North Korea only on organised tours closely monitored by the state.

BBC: On holiday in North Korea

Moreover, once the infrastructure has proved successful, further trials will be carried out to establish how many cows in a herd need to be monitored to give a reliable indication of the herd's overall state of health.

ECONOMIST: MONITOR