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带通信号 | |
oil | bandpass signal |
重建 | |
gen. | rebuild |
hydroel.st. | reconstruction; restoration |
IMF. | rehabilitation |
met. | renew; restitution; restructuring; revamping |
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bandpass signal |
带通信号 : 4 phrases in 3 subjects |
Air defense | 1 |
Antennas and waveguides | 1 |
Computer networks | 2 |