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| regular reflection | |||
| mirror reflection; specular reflection | |||
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| regular specular reflection | |||
| regular reflection | |||
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规则 反射 : 9 phrases in 5 subjects |
| Architecture | 1 |
| Metallurgy | 1 |
| Space | 3 |
| Technology | 3 |
| Telecommunications | 1 |
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