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power spectra | |||
energy spectrum | |||
power spectrum |
spectre d'énergie: 12 phrases in 8 subjects |
Earth sciences | 2 |
Electronics | 3 |
High energy physics | 1 |
Lighting other than cinema | 1 |
Natural resourses and wildlife conservation | 1 |
Physical sciences | 1 |
Technology | 1 |
Радиоактивное излучение | 2 |