帧中继转换节点FRSN ？

Frame Relay Switch Node?

youdao

帧中继运载服务FRBS ？

Frame Relay Bearer Service?

youdao

帧中继转换FRS ？

Frame Relay Switch?

youdao

帧中继引擎FRE ？

Frame Relay Engine?

youdao

帧中继语音传送?。

VOFR? Voice Over Frame Relay?

youdao

这一天是帧中继交换机，这是你们未来的ISDN路由器。

One day it is a frame relay switch, the next it is your ISDN router.

youdao

这一天是帧中继交换机，这是你们未来的ISDN路由器。

One day it is a frame relay switch, the next it is your ISDN router.

youdao