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| 光的强度 | |||
| 光强 | |||
| 光度 | |||
| 发光强度; 光强度光源强度; 光强度; 光源强度 | |||
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интенсивность света : 4 phrases in 3 subjects |
| General | 2 |
| Oil processing plants | 1 |
| Technology | 1 |
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