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| Einzellinse f (simple lens) | |||
| Einzelelement n | |||
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single-element : 17 phrases in 9 subjects |
| Communications | 1 | Measuring instruments | 1 | Rail transport | 1 |
| Electronics | 6 | Nuclear physics | 1 | Semiconductors | 1 |
| Information technology | 1 | Optics branch of physics | 4 | Technology | 1 |