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1. | single-frequency signal generator |
| 单频率信号发生器 |
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2. | single-frequency interference |
| 单频干扰 |
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3. | single-freQuency code |
| 单频电码 |
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4. | single-frequency noise |
| 单频噪声 |
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5. | single-frequency signalling |
| 单频发信 |
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6. | single-frequency simplex |
| 单频单工 |
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7. | single-frequency laser |
| 单频激光器 |
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8. | single frequency |
| 单声频 |
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9. | SFN (Single Frequency Network) |
| 单频网(同步网) |
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10. | single-frequency duplex |
| 单频双工 |
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