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advancing wave | |||
progressive wave | |||
advanced wave | |||
traveling wave; travelling wave | |||
forward wave | |||
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traveling sound wave; travelling sound wave |
前 进波: 32 phrases in 8 subjects |
Air defense | 2 |
Bridge construction | 1 |
Electronics | 2 |
Engineering geology | 1 |
General | 3 |
Hydroelectric power stations | 3 |
Oil / petroleum | 2 |
Technology | 18 |