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| 31. | identification of noise source I |
| 噪声源鉴别 |
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| 32. | measurement of noise source |
| 噪声源测量 |
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| 33. | noise balancing circuit |
| 平衡静噪电路 |
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| 34. | allowable noise exposure time |
| 容许曝噪时间 |
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| 35. | Noise Scale Controller |
| 噪波比例控制器 |
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| 36. | noise level of generating set |
| 发电机组噪声级 |
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| 37. | suppressed noise varistor |
| 消噪压敏电阻器 |
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| 38. | noise suppression control tube |
| 静噪控制管 |
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| 39. | Noise Space Warp |
| 噪波空间变形 |
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| 40. | thermal noise limited operation |
| 热噪限制工作 |
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