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1. | low frequency distortion |
| 低频失真 |
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2. | low-frequency [L.F.] transformer |
| 低频变压器 |
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3. | amplifier transformator |
| 放大器变压器|低频变压器 |
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4. | low frequency shado |
| 低频阴影 |
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5. | Very Low Frequency [VLF] |
| 超低频|极低频 |
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6. | low frequency control |
| 低频控制 |
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7. | low-frequency acquisition |
| 低频探测;低频显示 |
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8. | low frequency induction |
| 低频感应炉 |
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9. | LF (Low Frequency) |
| 低频 |
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10. | low frequency sweep |
| 低频扫描 |
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