clock system

基本解释

They have a central clocking-in system for all the divisional offices.
他们有一个为所有办公室设定的中央上下班计时系统。
iask.sina.com.cn
Therefore, the clock frequency directly affect the speed of MCU, clocking circuit and the quality of directly influence the stability of single-chip microcomputer system.
因此，时钟频率直接影响单片机的速度，时钟电路的质量也直接影响单片机系统的稳定性。
zzzdao.com
The paper presents a lighting decoration control system, in which clocking function of PLC is used and automatic timing control of lighting decoration system may be realized.
该文介绍了如何利用可编程控制器的日历时钟功能，对一灯饰控制系统进行自动控制，从软件、硬件两个方面介绍了具体实现的方法。