| |||
nivel acústico continuo equivalente |
average level : 26 phrases in 13 subjects |
Communications | 2 |
Earth sciences | 2 |
Economics | 1 |
Electronics | 5 |
Environment | 4 |
Finances | 1 |
Health care | 3 |
Life sciences | 1 |
Mathematics | 1 |
Meteorology | 3 |
Radio | 1 |
Scientific | 1 |
Statistics | 1 |