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fotografische Schwärzung (the logarithm of the radiant flux incident on the sample to the radiant flux transmitted by the sample) | |||
photographische Schwärzung | |||
visuelle optische Dichte; optische Dichte; photographische Dichte |
photographic density : 9 phrases in 4 subjects |
Measuring instruments | 1 |
Medical appliances | 1 |
Nuclear physics | 1 |
Радиоактивное излучение | 6 |