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时间调制 | |
avia. | duration time modulation |
geophys. | time modulation |
radio | duration time modulation |
能量分布 | |
avia. | energy profile |
eng.geol. | distribution of energy |
met. | energy distribution |
tech. | energy spectrum; partition of energy |
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duration time modulation | |||
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duration time modulation | |||
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time modulation | |||
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duration time modulation |
时间调制 : 48 phrases in 12 subjects |
Air defense | 7 |
Construction | 1 |
Earth sciences | 1 |
Electronics | 15 |
General | 2 |
Geophysics | 3 |
Information technology | 2 |
Metallurgy | 1 |
Radio | 2 |
Remote sensing | 1 |
Space | 3 |
Technology | 10 |