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| 太阳光谱线; 夫琅和费谱线 | |||
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| 夫琅和费线 | |||
| 夫琅禾费谱线 | |||
| 太阳光谱黑线; 弗琅荷费谱线 | |||
| 夫琅和费谱线 (太阳的) | |||
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Fraunhofer lines : 14 phrases in 6 subjects |
| Cartography | 1 |
| Earth sciences | 1 |
| Medical | 2 |
| Physics | 6 |
| Space | 2 |
| Technology | 2 |
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