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| |||
| spectral brightness | |||
| spectral luminance factor (因数) | |||
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光 谱亮度 : 10 phrases in 6 subjects |
| Automobiles | 1 |
| Earth sciences | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Space | 1 |
| Technology | 3 |
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