Quartz crystal resonators are devices that supply standard time base.
石英晶体谐振器是一种提供基准时基的器件。
Liquid crystal device, active matrix base board, display device and electronic device.
液晶装置，有源矩阵基板，显示装置以及电子设备。
The time base was given both by a crystal clock and the broadcast standard signals.
时间标准是由石英钟和广播标准信号提供的。
The time base was given both by a crystal clock and the broadcast standard signals.
时间标准是由石英钟和广播标准信号提供的。
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