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| дифракционная решётка инфракрасной области | |||
| эшелетт; дифракционная решётка "эшелль"; диффракционный эшелетт | |||
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红外光栅 : 7 phrases in 4 subjects |
| General | 2 |
| Medical | 1 |
| Oil processing plants | 1 |
| Technology | 3 |
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