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| 可见光谱测量 | |||
| 可见光光谱测定法 | |||
| 可见光分光法 | |||
| 可见光谱法 | |||
| visible spectrometry: 4 phrases in 3 subjects |
| Geology | 1 |
| Oil / petroleum | 1 |
| Technology | 2 |
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