| 1. | A voice or data communications channel currently in use
目前使用的话音或数据通信信道。 |
| 2. | Dcc data communications channels
数据通信信道 |
| 3. | Provision of hardwares , softwares , data communication channel and implementation services
提供硬件、软件、数据通讯通道及推行服务 |
| 4. | Provision of hardwares , softwares , data communication channel and implementation services
提供硬件、软件、数据通讯通道及推行服务 |
| 5. | Sonet . 04 : telecommunications - synchronous optical network - data communication channel protocols and architectures
电信.第1部分:同步光纤网络 |
| 6. | A service in which the data communication channel is capable of simultaneous and independent transmission and reception
一种服务,其中数据通信信道能同时独立地发送和接收数据。 |
