automatic digital switch
Digital Communication
数据通讯
数字通讯
数字化通信
数字无线
数字通信
数字传送
数据通信
探测电路
信号处理
digital communication systems
digital communication systems and technology
trunking dispatch communication
Digital Archived Digital Publish
Digital Radiography Digital Radiograph
110kV digital substation
16 row digital radiography
1bit digital correlators
1bit digital to analog converter
1-D linear phase FIR digital filters
2008 digital Olympic Ga mes
2400 Series Digital Source-meter