摘要
介绍近10年来在交换机中应用的有源器件PCB式通信继电器的现状,讨论我国PCB式通信继电器市场和发展趋势。
The current situation of communication relay for exchanger is described, as well the market and developmental trend of communicntion relay in our country are discussed here.
出处
《电子元器件应用》
2003年第5期1-4,8,共5页
Electronic Component & Device Applications
关键词
交换机
通信继电器
市场
Exchanger
Communication relay
Market
