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声线
avia. acoustic ray
fishery sound ray
space sound ray (声能传播的曲线)
声线见 GB/T 3947-1996 中 2.74
auto. sound ray
声线
: 411 phrases in 37 subjects
Advertising1
Air defense17
Architecture2
Astronautics1
Automated equipment1
Automobiles4
Aviation17
Communications3
Construction1
Drilling1
Earth sciences11
Ecology2
Electric machinery2
Electronics30
Environment1
Explosives and Explosive Ordnance Disposal2
Fishery fishing industry4
General13
Geophysics10
Information technology14
Metallurgy4
Military1
Multimedia1
Nautical3
Navigation1
Oil / petroleum20
Otorhinolaryngology4
Plastics2
Refrigeration2
Shipbuilding7
Space30
Technology182
Telecommunications13
Ultrasound1
United Nations1
Water resources1
Wind Energy1

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