noise ratio : 89 phrases in 14 subjects |
Analytical chemistry | 2 |
Automated equipment | 1 |
Communications | 15 |
Computers | 1 |
Earth sciences | 1 |
Electronics | 52 |
General | 1 |
Medical | 8 |
Natural sciences | 1 |
Nuclear physics | 1 |
Radiation | 2 |
Radio | 1 |
Sound recording | 2 |
Transport | 1 |