A device used to develop a time base for calculations and control e. g. a digital clock.
一种用于产生计算和控制用时基的装置，例如数字钟。
A device used to develop a time base for calculations and control, e. g., a digital clock.
一种用于产生计算和控制用时基的装置，例如数字钟。
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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