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threefold
| axis of symmetry
| threefold | |
| gen. | dreifach; dreiköpfig |
| axis of symmetry | |
| gen. | Spiegelachse |
| construct. | Symmetrielinie |
| nucl.phys. | Symmetrieachse |
| phys. | Symmetrieachse |
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| dreifach; dreiköpfig (Andrey Truhachev) | |||
| threefold: 11 phrases in 7 subjects |
| Biology | 1 |
| Electronics | 1 |
| Foreign trade | 1 |
| General | 3 |
| Handball | 1 |
| Optics branch of physics | 3 |
| Technology | 1 |