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ultrasonic technique | |||
ultrasonics |
超声 技 术 : 33 phrases in 10 subjects |
Aviation | 6 |
Earth sciences | 1 |
Electronics | 1 |
Explosives and Explosive Ordnance Disposal | 2 |
Metallurgy | 2 |
Shipbuilding | 1 |
Space | 8 |
Technology | 9 |
United States | 1 |
Water resources | 2 |