time clock 是什么意思

clock used to record the hours that people work

	1.	A drawing method of real time clock based on gps system 系统的实时时钟提取方法
	2.	A real - time clock and calendar or storage area 有存储区或实时时钟和日历区
	3.	The game will run on a central time clock 比赛将会使用一个总定时器。
	4.	Application of real - time clock 12887 in embedded system 实时时钟12887在嵌入式系统中的应用
	5.	The embedded rtos applied on real time clock controller 嵌入式实时操作系统在时钟控制器中的应用
	6.	Real time clock system design based on spi 的实时时钟系统设计
	7.	G . event recorder with real time clock H带时钟的事件记录。
	8.	Realization of real - time clock with psd 3251实时时钟的实现
	9.	Application of real - time clock chip in real - time monitoring system 实时时钟芯片在实时监控系统中的应用
	10.	Are attendance records or time clocks placed at strategic locations 值勤记录册或打卡钟是否置于适当位置？

time clock是什么意思