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噪声功率谱
| 密度
| 噪声功率谱 | |
| tech. | noise power spectrum |
| …密度 | |
| metrol. | …density; density of …; … density, "; areic |
| 密度 | |
| environ. | density |
| forestr. | compactness; closeness; fuel compactness |
| phys. | mass density |
| |||
| noise power spectrum | |||
| 噪声功率谱: 5 phrases in 4 subjects |
| Communications | 1 |
| Geophysics | 1 |
| Space | 2 |
| Telecommunications | 1 |