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| 光学放大; 光学放大光放大 | |||
| 光放大 | |||
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| 光学变焦倍数 | |||
| Russian thesaurus | |||
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| отношение размеров изображения, даваемого оптической системой, к истинным размерам предмета. Большой Энциклопедический словарь | |||
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оптическое увеличение : 1 phrase in 1 subject |
| Metallurgy | 1 |
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