摘要
分析了时钟提供的方式和原理，描述了定时传送的情况，并指出了它的优缺点。
This paper analyzed the means and principle of clock supply,and described the ways of timing transmission.At the same time,the advantages and disadvantages were also instructed.
出处
《铁道通信信号》
1999年第7期7-9,共3页
Railway Signalling & Communication
