| English | eng-000 |
| optical spectrum analysis | |
| 普通话 | cmn-000 | 光谱分析 |
| English | eng-000 | spectral analysis |
| English | eng-000 | spectral decomposition |
| English | eng-000 | spectroanalysis |
| English | eng-000 | spectrographic analysis |
| English | eng-000 | spectroscopic analysis |
| English | eng-000 | spectrum analysis |