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| 物理伦琴当量物体伦琴当量; 伦琴射线物理当量; X射线物理当量 | |||
| 伦琴物理当量; 物理伦琴当量 (фэр); 伦琴当量 | |||
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физический эквивалент рентгена : 4 phrases in 2 subjects |
| General | 2 |
| Technology | 2 |
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