| spectra | |
| gen. | Spektrum; Spektren |
| spectrum | |
| gen. | Bandbreite; Skala; Spektrum |
| anal.chem. | Spektrum |
| commun. | Spektrummasker |
| earth.sc. | Röntgenspektrum |
| nucl.phys. | Farbenband |
|
frequence : 13 phrases in 10 subjects |
| Automated equipment | 1 |
| Biology | 2 |
| Business | 1 |
| Communications | 1 |
| Finances | 1 |
| General | 2 |
| Life sciences | 1 |
| Medical appliances | 2 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |