It analyses it's characteristics and also directs and summarizes such designing of quartzcrystalclock movement.
该方法对此类型石英钟机心的设计具有一定参考价值。
2
Nearly all computers contain a quartz-crystalclock to regulate their operation.
几乎所有的计算机都有一个石英晶体时钟来调节它们的运行。
3
They all use the same basic mechanism: a 32, 768hz quartz-crystal oscillator, along with the electronic and mechanical parts that convert its oscillations to clock ticks.