space-frequency
| plot
| space frequency | |
| mil., air.def. | 空间频率 |
| tech. | 空号频率 |
| Plot | |
| wind. | 曲线图; 作图 |
| plot | |
| agric. econ. | 地块 |
| hydroel.st. | 绘图 |
| math. | 作图，区，小区 |
| met. | 标绘; 线图 |
| rem.sens. | 小区; 试验区 |
| |||
| 空间频率 | |||
| 空号频率 | |||
| FSK 的空号频率 | |||
|
space-frequency : 20 phrases in 10 subjects |
| Air defense | 4 |
| Artificial intelligence | 1 |
| Electronics | 3 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Geophysics | 2 |
| Oil / petroleum | 4 |
| Space | 1 |
| Technology | 1 |
| Telecommunications | 2 |
| United States | 1 |