one-third octave
| filter
| one-third octave abbr. | |
| tech. el. | tiers d'octave |
| filter abbr. | |
| gen. | filtre |
| chem. | filtrer |
| el. | filtre de fréquence; filtre côté courant alternatif |
| environ. | tamis; filtre |
| fin. scient. | instrument de lissage |
| tech. el. | filtre d'onde |
| transp. coal. | microfiltre de sécurité |
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| tiers d'octave | |||
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one-third octave : 7 phrases in 2 subjects |
| Communications | 4 |
| Technology | 3 |