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| если смотреть (When observed along the axis from a distance of 20 to 40 feet…, the whole lens shall appear equally illuminated. I. Havkin) | |||
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when observed : 5 Phrasen in 4 Thematiken |
| Allgemeine Lexik | 1 |
| Bauwesen | 1 |
| Mathematik | 2 |
| Wissenschaftlicher Ausdruck | 1 |