loop back
| mirror
| protocol
| loop back | |
| tech. | 回送; 返回 |
| mirror | |
| gen. | 镜 |
| avia. | 反射器 |
| busin. | 借鉴 |
| el. | 镜面 |
| hydroel.st. | 镜面的 |
| met. | 反射镜 |
| sport. | 镜子 |
| sport. med. | 反光镜 |
| tech. | 鸟翼上的翼镜 |
| telecom. | 对称 |
| protocol | |
| environ. | 协议 |
| math. | 草案; 规约; 礼宾; 草约; 备忘录 |
| sport. | 议定书; 比赛成绩册 |
| stat. | 协议 |
| textile | 规程 |
| |||
| 回送; 返回 | |||
| 环回; 数字环回; 数字环回测试 | |||
|
loop back : 27 phrases in 13 subjects |
| Aviation | 1 |
| Computer networks | 2 |
| Electric machinery | 1 |
| Electronics | 1 |
| Figure skating | 6 |
| Information technology | 3 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Skydiving | 2 |
| Space | 1 |
| Technology | 4 |
| Telecommunications | 3 |