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standard source
释义
standard source
standard source
In illumination engineering, a light source having a specified spectral distribution, used as a standard for colorimetry.
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gidget
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gi (disambiguation)
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gidroliznaia i lesokhimicheskaia promyshlennost
gidrologicheskii ezhegodnik
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gidrotekhnika i melioratsiia
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更新时间:2026/7/21 15:01:15