| |||
| 时间调制 | |||
|
time modulation : 48 phrases in 12 subjects |
| Agriculture | 1 |
| Aviation | 2 |
| Communications | 1 |
| Earth sciences | 3 |
| Electronics | 19 |
| Geophysics | 3 |
| Oil / petroleum | 3 |
| Radio | 4 |
| Remote sensing | 1 |
| Space | 5 |
| Technology | 4 |
| Telecommunications | 2 |
| |||
| 时间调制 | |||
|
time modulation : 48 phrases in 12 subjects |
| Agriculture | 1 |
| Aviation | 2 |
| Communications | 1 |
| Earth sciences | 3 |
| Electronics | 19 |
| Geophysics | 3 |
| Oil / petroleum | 3 |
| Radio | 4 |
| Remote sensing | 1 |
| Space | 5 |
| Technology | 4 |
| Telecommunications | 2 |