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underwater sound
 underwater sound
gen. 水下音响
| positioning system
 positioning system
space 定位系统

to phrases
underwater sound
水下音响
tech. 水中声; 水声
underwater sound: 39 phrases in 13 subjects
Aviation2
Construction1
Earth sciences1
Electronics3
Explosives and Explosive Ordnance Disposal2
General4
Geophysics1
Information technology2
Nautical1
Navigation2
Oil / petroleum1
Space1
Technology18