（单词翻译:单击）
| 中文 | 英文 | 缩写 |
| 镀铬 | chromium electroplating | |
| 镀金 | gild electroplating | |
| 镀镍 | nickel electroplating | |
| 镀铜 | copper electroplating | |
| 镀锡 | tin electroplating | |
| 镀锌 | zinc electroplating | |
| 镀锌层 | galvanizing coat | |
| 镀锌钢线 | galvanized steel wire | |
| 镀银 | silver electroplating | |
| 端到端/端对端 | End-To-End | ETE |
| 端到端通信 | end-to-end communication | |
| 端局 | end office | |
| 端口 | port | |
| 端口镜像 | port mirroring | |
| 端子 | terminal | |
| 短波段 | Short-wavelength Band | S-Band |
| 短号码寻址 | Short Number Addressing | SNA |
| 短接/短路 | short circuit | |
| 短距 | short haul | |
| 短数据业务 | Short Data Service | SDS |
| 短消息 | Short Message | SM |
| 短消息服务（业务） | Short Message Service | SMS |
| 短消息关口MSC | Short Message Service Gateway MSC | SMS-GMSC |
| 短消息互通MSC | Short Message Service InterWorking MSC | SMS-IWMSC |
| 短消息实体 | Short Message Entity | SME |
| 短消息业务-业务中心 | Short Message Service-Service Centre | SMS-SC |
| 短消息中心 | Short message Center | SC |
| 段 | segment/section | |
| 段开销 | Section OverHead | SOH |
| 断开方式 | Disconnection Mode | DM |
| 断开请求 | Disconnect Request | DR |
| 断链 | broken link | |
| 断路器 | circuit breaker | |
| 断续振铃 | intermittent ringing | |
| 堆栈式叠加 | stack overlapping | |
| 对等（同级）的网络结构 | peer network architecture | |
| 对等操作 | peering | |
| 对等地址 | peer address | |
| 对等计算 | peer-to-peer computing | |
| 对端局 | opposite end office | |
| 对方付费业务 | collect call service | |
| 对话 | session | |
| 对话框 | dialog box | |
| 对绞电缆 | twisted pair cable | |
| 对接端/相邻端 | abutting end | |
| 对接接头/邻接接头 | abutting joint | |
| 对流/平流 | advection | |
| 对流层散射通信 | tropospheric scatter communications |
