Digital Command
| Signal
| digital command | |
| space од. | 数字指令 |
| signal | |
| gen. | 打信号 |
| bridge. | 信号 |
| hockey. | 手势 |
| hydroel.st. | 标志; 符号 |
| radio.amat. | 信号 |
| sport. | 手势; 旗势 |
| tech. од. | 信号 |
| telecom. | 通信 |
| |||
| ★ 数字指令 | |||
|
Digital Command : 37 phrases in 10 subjects |
| Automated equipment | 1 |
| Aviation | 6 |
| Earth sciences | 1 |
| Electronics | 12 |
| Geophysics | 1 |
| Multimedia | 1 |
| Space | 10 |
| Technology | 1 |
| Telecommunications | 3 |
| United States | 1 |