帧中继数据传输业务 meaning in English

frdts frame relay data transmission services

Frame relay services - part 3 : frame relay data transmission service - service definition
帧中继业务.第3部分:帧中继数据传输业务.业务定义
Network - to - network interface between public data networks providing the frame relay data transmission service
提供帧中继数据传输业务的公用数据网之间的网络?网络接口
Dte interface between data terminal equipment and data circuit - terminating equipment for public data networks providing frame relay data transmission service by dedicated circuit
通过专用电路提供帧中继数据传输业务的公用数据网使用的数据终端设备