frequency sweep
| range
| frequency sweep | |
| oil од. | 扫频 |
| tech. | 频率扫描 |
| range | |
| gen. | 一系列; 行; 排 |
| el. meas.inst. | 标称范围 |
| forestr. | 区域; 幅距 |
| forestr. од. | 全距 |
| sport. | 变化，变动 |
| |||
| 扫频; 频率扫描 | |||
| |||
| ★ 扫频 | |||
| 频率扫描 | |||
|
frequency sweep : 50 phrases in 12 subjects |
| Air defense | 8 |
| Aviation | 1 |
| Cartography | 1 |
| Earth sciences | 2 |
| Electronics | 2 |
| Oil / petroleum | 2 |
| Otorhinolaryngology | 4 |
| Rail transport | 1 |
| Space | 7 |
| Technology | 16 |
| Telecommunications | 5 |
| Video recording | 1 |