“primary standard of spectral irradiance”的概念、定义、翻译、参考文献-科学参考

单词	primary standard of spectral irradiance
释义	primary standard of spectral irradiance Encyclopedia 工学辐射度计量释 primary standard of spectral irradiance光谱辐射照度基准复现辐射照度的光谱密集度单位量值的装置。由基准辐射源和光谱辐射计组成。
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