instantaneous frequency
| section
| instantaneous frequency | |
| space | 瞬时频率 |
| section | |
| gen. | 栏目; 环节; 部 |
| book.bind. | 配页 |
| hydroel.st. | 节 |
| met. | 区段; 工段 |
| roll. | 轧材 |
| tech. | 部分 |
| |||
| 瞬时频率 | |||
|
instantaneous frequency : 29 phrases in 6 subjects |
| Air defense | 5 |
| Aviation | 5 |
| Electronics | 4 |
| Geophysics | 3 |
| Space | 5 |
| Technology | 7 |