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| полезный размер | |||
| эффективный диаметр (зёрен) | |||
| действительный размер | |||
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有效尺寸 : 4 phrases in 4 subjects |
| Antennas and waveguides | 1 |
| Electronics | 1 |
| General | 1 |
| Technology | 1 |
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