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multifrequency pulsing | |||
multifrequency pulse | |||
| |||
multi frequency pulsing | |||
| |||
multifrequency pulse |
多频脉冲 : 17 phrases in 9 subjects |
Air defense | 4 |
Aviation | 2 |
Earth sciences | 1 |
Electronics | 5 |
Geophysics | 1 |
Radio | 1 |
Space | 1 |
Technology | 1 |
Telecommunications | 1 |