For fans of precision: the countdown timers help you to remember specific or recurring events by giving off an audible signal at a preset time.
对于精度球迷：倒数计时器帮助您记住放出一个在预设时间发声具体或反复出现的事件。
On dictation equipment, a device that gives an audible or visual signal at the end of the recording medium.
口述记录设备上的一种装置，当到达记录媒体末端时发出一个声响信号或可视信号。
It provides an audible beep if the STS veers out of its lane without the turn signal engaged. In practice we found the system helpful but occasionally prone to false warnings.
当车辆行驶路线有异常时，车道偏离警示系统就会发出嘟嘟的声音，这对驾驶非常有帮助，但是有时候它也会报告假信息。
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