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periodogram | |||
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periodogram |
χρόνου και: 23 phrases in 12 subjects |
Agriculture | 1 |
Communications | 3 |
Electronics | 1 |
Health care | 7 |
Information technology | 1 |
Insurance | 1 |
Materials science | 1 |
Mathematics | 1 |
Medical | 3 |
Microsoft | 1 |
Statistics | 2 |
Transport | 1 |