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| 参量振荡器 | |||
| 参数振荡器; 参考振荡器 | |||
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| 参数振荡器; 参量振荡器; 参考振荡器 | |||
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parametric oscillator : 22 phrases in 5 subjects |
| Earth sciences | 1 |
| Electronics | 6 |
| Radio | 1 |
| Space | 2 |
| Technology | 12 |
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