Timer frequency的用法和样例：
例句
- This article mainly addresses the maintenance period of clock frequency of SPC exchanges in China's telecommunication network.
本文主要讨论我国电信网中程控交换局时钟频率维护周期的确定问题。 - The high clock frequency requirements will have to be weighed against the need for tighter design criteria that ensure high noise immunity.
高时钟频率的要求比高抗扰度的要求更为重要，因为高抗扰度可通过精心设计予以保证。
