fixed-frequency
| filter
| fixed frequency | |
| fishery | 固定频率 |
| filter | |
| gen. | 过滤 |
| environ. | 过滤器 |
| f.trade. | 滤光 片; 漏斗 |
| math. од. | 滤波器 |
| met. | 滤光镜 |
| met. од. | 滤光片 |
| opt. | 滤光器，滤光片 |
| racing од. | 滤器 |
| rem.sens. од. | 滤色片 |
| |||
| 固定频率的; 定频的 | |||
| |||
| 固定频率 | |||
|
fixed-frequency : 34 phrases in 13 subjects |
| Air defense | 3 |
| Aviation | 1 |
| Communications | 1 |
| Earth sciences | 1 |
| Electric machinery | 2 |
| Electronics | 5 |
| Energy industry | 1 |
| Geophysics | 1 |
| Mechanic engineering | 1 |
| Multimedia | 1 |
| Otorhinolaryngology | 1 |
| Space | 5 |
| Technology | 11 |