（单词翻译:单击）
| 中文 | 英文 | 缩写 |
| 搭接业务/代答业务/截接业务（PBX） | pick-up service | |
| 达林顿放大器 | Darlington amplifier | |
| 打包带 | strap | |
| 大功率/高功率的 | high power | |
| 大规模集成电路 | Large Scale Integrated circuit | LSI |
| 大话务量模拟测试 | large traffic simulation test | |
| 大楼综合定时系统 | Building Integrated Timing System | BITS |
| 大区/宏蜂窝 | macro cell | |
| 大区移动业务 | regional mobile service | |
| 大区制移动通信系统 | common base station mobile communications system | |
| 大区中心 | Regional Center | RC |
| 大小写区分的 | case-sensitive | |
| 代答设备 | answer-agent device | |
| 代理 | agent | |
| 代理服务器 | proxy server | |
| 代理数据库 | proxy database | |
| 代理搜索器 | proxy explorer | |
| 代码标记转换 | Code Mark Inversion | CMI |
| 代码片断 | code snippet | |
| 代码信道 | code channel | |
| 代数和 | algebraic sum | |
| 代数码本激励线性预测 | Algebraic Codebook Excited Linear Prediction | ACELP |
| 代用符/占用字串/伪变量 | foo/foobar | |
| 带电电线/火线 | live wire | |
| 带宽 | bandwidth | |
| 带宽间隔/粒度 | bandwidth granularity | |
| 带宽使用 | bandwidth utilization | |
| 带宽占用时长/广播时间 | airtime | |
| 带内 | in-band | |
| 带内寄生信号 | spurious in-band signal | |
| 带区集（磁盘） | stripe set | |
| 带通 | bandpass | |
| 带通滤波器 | Band Pass Filter | BPF |
| 带外寄生信号 | out-of-band spurious signal | |
| 带有附加信息的初始地址消息 | Initial address message with Additional Information | IAI |
| 带有录音通知的呼叫保持 | call hold with announcement | |
| 带有一个信号的后续地址消息 | Subsequent Address message with One signal | SAO |
| 带状电缆 | flat cable | |
| 带状光缆 | optical fiber ribbon cable | |
| 带阻滤波器 | band stop filter |
