摘要
介绍了时钟的同步方式及工作模式，对双轨时钟振荡源设备及其工作原理也做了简要介绍。
This paper introduces types of clock synchronigation system and its operation mode, and briefly describes the principle of dual-track clock oscillation source.
关键词
时钟
同步方式
数字通信系统
Clock Synchronixation type Oscillation source
