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spectral
 spectral
light. spektrinen; spektri-
| energy density
 energy density
energ.ind. energiatiheys

to phrases
spectral ['spektrəl] adj.
light. spektrinen; spektri-
spectral energy density
: 158 phrases in 16 subjects
Antennas and waveguides4
Chemistry1
Communications22
Earth sciences25
Electronics46
Environment4
Immigration and citizenship1
Life sciences1
Lighting other than cinema25
Mathematics10
Medical1
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Physical sciences1
Radio2
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Transport5