 |
AC coupled
| signal
| AC coupled | |
| el. | 交流耦合 |
| signal | |
| gen. | 打信号 |
| bridge. | 信号 |
| hydroel.st. | 标志 |
| radio.amat. | 信号 |
| sport. | 发信号; 手势 |
| tech. | 信号 |
| waterski. | 手势信号 |
| |||
| 交流耦合 | |||
| AC coupled: 7 phrases in 3 subjects |
| Air defense | 1 |
| Electronics | 4 |
| Space | 2 |