frequency-selective
| filter
| frequency selective abbr. | |
| space | 频率选择; 选频 |
| filter abbr. | |
| gen. | 过滤 |
| environ. | 过滤器 |
| math. од. | 滤波器 |
| met. | 滤光镜; 滤纸 |
| met. од. | 滤光片; 过滤机 |
| opt. | 滤光器，滤光片 |
| racing од. | 滤器 |
| rem.sens. од. | 滤色片 |
| |||
| 频率选择; 选频 | |||
| |||
| 频率选择的 | |||
|
frequency-selective : 48 phrases in 10 subjects |
| Air defense | 3 |
| Aviation | 2 |
| Communications | 6 |
| Electronics | 11 |
| Geophysics | 1 |
| Information technology | 2 |
| Nautical | 2 |
| Space | 11 |
| Technology | 7 |
| Telecommunications | 3 |