| Standardization field | Electrical engineering | 
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| Technical committee | BAS/TC 30- Electric cables | 
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| Term (EN) | spectral line | 
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| Definition (EN) | A narrow range of emitted or absorbed wavelengths corresponding to the monochromatic radiation emitted or absorbed in a transition between levels of a quantum mechanical system. | 
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| Term (FR) |  | 
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| Definition (FR) |  | 
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| Term (DE) |  | 
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| Definition (DE) |  | 
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| Term (BS) |  | 
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| Definition (BS) |  | 
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| Term (HR) |  | 
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| Definition (HR) |  | 
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| Term (SR) | linija spektra | 
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| Definition (SR) | Uski raspon emitovanih ili apsorbovanih talasnih dužina koji odgovara monohromatskom zračenju emitovanom ili apsorbovanom u prelazu između nivoa kvantno-mehaničkog sistema. | 
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| Date | 2017-08-10 | 
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| Standards | BAS IEC 60050-731:2017 | 
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