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| оптическая плотность; коэффициент излучения; потемнение; затемнение; темнота | |||
| степень черноты; почернение; чернота; плотность почернения | |||
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黑度 : 41 phrases in 7 subjects |
| Electronics | 1 |
| General | 13 |
| Meteorology | 1 |
| Oil and gas | 1 |
| Photography | 2 |
| Physics | 2 |
| Technology | 21 |
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