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spectral ['spektrəl] adj.
metrol. spectrique; densité spectrale de ...
tech. spectral
spectral: 425 phrases in 40 subjects
Analytical chemistry4
Antennas and waveguides8
Astronomy23
Chemistry8
Communications27
Construction1
Earth sciences46
Electronics69
Environment5
Forestry2
General7
Health care1
High energy physics2
Immigration and citizenship1
Labor law3
Life sciences2
Lighting other than cinema30
Mammals2
Materials science1
Mathematics11
Medical2
Medical appliances16
Metallurgy2
Metrology6
Natural resourses and wildlife conservation3
Natural sciences14
Nuclear physics9
Photography2
Physical sciences4
Radio1
Remote sensing15
Research and development2
Statistics3
Technology62
Textile industry1
Transport4
United Nations2
Vacuum tubes2
Дозиметрия7
Радиоактивное излучение15