Study of passive q - switched unit of ndyag laser using ion - implanted gaas 离子注入sigaas做激光器被动调q元件的研究
Valve position switch unit 阀位开关装置
Tsu : time switching unit 时隙交换单元
Circuit switching unit 电路交换单元
In communications , a circuit , or channel , interconnecting two exchanges or switching units , capable of being switched at both ends provided with the necessary signalling and terminating equipment 在通信技术中,两个交换局或交换机之间的连接电路或信道,它能够在两端之间进行转接,并提供必要的信令和终端设备。
On the basis of the above , it provides a detailed design of large digital switching units dx1000 based on the implementation of altera fpga . at last , it introduces the applications of dx1000 in the hjd04 switching system 在此基础上,提出了基于altera的fpga实现的大型数字交换单元dx1000的详细设计,最后,介绍了dx1000在hjd04交换系统中的应用。
The enterprise zagro bahn baumaschinen gmbh deals in shunting / switching units and construction machines in addition to locomotives and railcars as well as with road , rail and canal construction Zagro bahn baumaschinen gmbh是一家知名的、诚信的生产商和服务商,该公司提供新型的、专门的产品,例如工程机械,调车装置,机车和机动车,街道、轨道和渠道建筑。