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Fraunhofer line spectrum
Fraunhofer lines
Fraunhofer region
Fraunhofer spectral line detector
Fraunhofer spectrum
Fraunhofer's line
Fraunhofer's lines
fraus omnia vitiat
fraxetin
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Fraunhofer spectrum
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Fraunhofer spectrum
Definitions
[1] 弗朗荷费光谱, 吸收太阳光谱线
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Fraunhofer spectrum