Nearly all computers contain a quartz-crystal clock 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。

youdao

Nearly all computers contain a quartz-crystal clock 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。

youdao