Real time brightness level highlight the details of the signal activity history, can be more convenient to understand the characteristics of the capture of the waveform.

实时辉度等级突出显示与信号活动历史有关的细节，可以更简便地了解捕获的波形特点。

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These buttons can be used as a signal so that a user can trigger an activity or business process.

这些按钮可用作一个信号，以便用户能够触发一个活动或业务流程。

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If the controller receives a SUCCESS signal from an activity, it sends a signal to the coordinator component (in this case PROPAGATE), thus invoking the next activity.

如果控制器收到了来自活动的SUCCESS信号，它会发送信号到协调器组件(在本例中是PROPAGATE)，从而调用下一个活动。

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Geologists warn that the two earthquakes occurred on the same fault line, which may signal hyperactive seismic activity in the region, South China Morning Post reports.

BBC: China media: Quake donations debate

These prerendered pages matter because site logs could signal extra Chrome activity that isn't the result of a person choosing to read those pages, thus inflating the numbers.

WSJ: Statistically Speaking: Browser Wars Escalate

Fiserv already uses some of its bank customers' data to spot fraud, even if it can't yet serve as an early warning signal of potentially sleazy activity.

FORBES: Global 2000