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to phrases
couche D
life.sc.
D-laag
f
;
D-laag van de ionosfeer
couche D:
303 phrases
in 25 subjects
Agriculture
1
Antennas and waveguides
6
Chemistry
7
Coal
1
Communications
83
Construction
18
Cultural studies
2
Earth sciences
8
Electronics
41
Environment
49
General
11
Health care
3
Industry
9
Information technology
6
Life sciences
15
Materials science
1
Mechanic engineering
1
Medical
2
Metallurgy
14
Microsoft
3
Natural sciences
4
Physical sciences
1
Social science
1
Technology
5
Transport
11
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