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point spectrum | |||
discontinuous spectrum | |||
discrete spectrum |
离散谱 : 32 phrases in 10 subjects |
Aviation | 1 |
Chemistry | 2 |
Earth sciences | 4 |
Electronics | 14 |
Geology | 3 |
Information technology | 1 |
Polymers | 1 |
Space | 1 |
Technology | 4 |
Telecommunications | 1 |