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。
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.
据悉，该类轻型直升机将被用于搜索和救援任务，疏散伤员，观察和监视，及限制电子情报的搜集。
The helicopters will be used for search-and-rescue missions, casualty evacuation, observation and surveillance, and limited electronic intelligence gathering.
从WebSphere Business Monitor导出带观察度量的监视结果，如任务时间、决策百分比等等。
Monitoring results are exported from WebSphere Business Monitor with the observed metrics, such as times for tasks, percentages for decisions, and so on.
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