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| Russian | English |
| зернистость почернения | graininess (of an emulsion) |
| кривая почернения | Hurter and Driffield curve |
| кривая почернения | H-D curve |
| кривая почернения | D log E curve (e.g. of an X-ray film) |
| кривая почернения | H. and D. curve |
| кривая почернения | Hurter-Driffield curve |
| кривая почернения | characteristic curve |