摘要
论述了 SDH同步数字传输系统的特点及在厂矿企业远距离通信中的优势 ,并结合实例介绍了其工程设计方式。
The special feature of SDH and its dominant position in long distance communication of factories and mines were described,and an engineering design was llustrated.
出处
《冶金矿山设计与建设》
2000年第5期21-23,共3页
Metal Mine Design & Construction
