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| Photozelle f; Photoemissionsroehre f; Photoemissionszelle f | |||
| Fotozelle f; lichtelektrische Zelle (photoemissive detector requiring a battery for operation) | |||
| phototube: 37 phrases in 9 subjects |
| American usage, not spelling | 1 |
| Analytical chemistry | 2 |
| Astronomy | 2 |
| Electronics | 9 |
| Nuclear physics | 2 |
| Optics branch of physics | 4 |
| Physical sciences | 3 |
| Physics | 1 |
| Радиоактивное излучение | 13 |