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

单词	primary standard of spectral radiance
释义	primary standard of spectral radiance Encyclopedia 工学辐射度计量释 primary standard of spectral radiance光谱辐射亮度基准复现辐射亮度的光谱密集度单位量值的装置。由基准辐射源（黑体辐射源、等离子体光源或同步辐射源）和光谱辐射计组成。
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