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| 奇数次谐波 | |||
| 奇次谐数; 奇次谐波 | |||
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| 奇次谐菠 | |||
| 奇次谐波 | |||
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odd harmonic : 4 phrases in 3 subjects |
| Business | 1 |
| Electric machinery | 1 |
| Electronics | 2 |
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