Periodic change imposed on a controlled variable or a function by a controller.
通过控制器控制某一变量或函数进行周期性变化。
The NPER worksheet function requires you to supply a periodic payment value instead of a future value.
NPER工作表函数要求给出定期支付值，而不是未来值。
An operating system typically consists of a set of function calls, or software interrupts, and a periodic clock tick.
一个操作系统典型地由一个函数调用集、软件中断和定期时钟周期组成。
应用推荐