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| 光谱分光［发光］效率 | |||
| 光谱发光效率 | |||
| 光谱光视效率; 光谱发光率; 发光度函数 | |||
| 光谱光效率 | |||
| spectral luminous efficiency: 5 phrases in 3 subjects |
| Cartography | 1 |
| Space | 2 |
| Technology | 2 |
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