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| Fraunhofer line (太阳的) | |||
| Fraunhofer lines | |||
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| Fraunhofer line in the red of solar spectrum (最大波长为6867.457埃) | |||
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| group of 3 Fraunhofer lines in the yellow of solar spectrum (D1 及 D2 谱线波长5890.186埃,D3 谱线波长 5876.618 埃) | |||
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| Fraunhofer line in the blue of the solar spectrum (波长为4861,527埃) | |||
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| strong absorption band in deep red the first of the Fraunhofer lines of the solar spectrum (波长为7621.28埃) | |||
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| one of the Fraunhofer lines in the red of the solar spectrum (波长为6563.045埃) | |||
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| one of the Fraunhofer lines in the green of solar spectrum (波长为5269.723埃) | |||
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| pair of Fraunhofer lines in the deep blue of the solar spectrum (波长为4308.081埃和 4307.907埃) | |||
| 夫琅和费谱线: 3 phrases in 2 subjects |
| Space | 2 |
| Technology | 1 |