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| cepstrum | |||
| reciprocal spectrum | |||
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逆 谱 : 19 phrases in 9 subjects |
| Animal husbandry | 2 |
| Chemistry | 3 |
| Earth sciences | 2 |
| Electronics | 5 |
| Geology | 1 |
| Life sciences | 1 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 3 |
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