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射电谱
tech.
radio spectrum
射 电谱
:
118 phrases
in 20 subjects
Agriculture
2
Aviation
6
Chemistry
3
Earth sciences
12
Ecology
3
Electronics
47
Engineering geology
1
Food industry
2
General
3
Geology
8
Geophysics
1
Metallurgy
4
Multimedia
1
Oil processing plants
2
Plastics
1
Polymers
1
Space
4
Technology
14
Textile industry
1
Water resources
2
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