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impulse emission | |||
impulse transmission; pulse emission |
脉冲发 射 : 64 phrases in 13 subjects |
Air defense | 11 |
Automobiles | 1 |
Aviation | 2 |
Construction | 2 |
Earth sciences | 1 |
Electronics | 2 |
Engineering geology | 1 |
General | 2 |
Information technology | 6 |
Metallurgy | 3 |
Oil / petroleum | 4 |
Space | 5 |
Technology | 24 |