... 设置PRS（部分响应信号系统）(ASSIGN PRS) 系统时间参数更改(SYSTEM TIMERS) 设置音频/振铃系统周期(TONE/RING CADENCE) ...
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System Timers Test 系统计时器测试
Timers are an integral part of any operating system, and you'll find multiple timer mechanisms.
计时器是所有操作系统的一个必要组成部分，您将发现多个计时器机制。
The eBay Desktop as an example has a high degree of logic on the client to provide an engaging user experience with features such as countdown timers, and system tray notifications.
eBay桌面是个很好的例子，它通过在客户端分配较高程度的逻辑，提供有趣的用户体验，比如倒计时器和系统托盘通知。
The RTSJ includes support for handling asynchronous events triggered by a number of sources including timers, operating-system signals, missed deadlines, and other application-defined events.
RTSJ包含了对异步事件处理的支持，触发异步事件的事件包括大量包含计时器的源代码、操作系统信号、超过时限和其他应用程序定义的事件。
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