 |
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| 声学声级计 | |||
| 声级计; 噪声计 | |||
| 噪声表; 测声仪; 测声器; 测声计 | |||
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| 声级计 | |||
| sound meter: 42 phrases in 13 subjects |
| Agriculture | 1 |
| Automobiles | 3 |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 3 |
| Geophysics | 2 |
| Metallurgy | 1 |
| Nautical | 2 |
| Oil / petroleum | 2 |
| Otorhinolaryngology | 3 |
| Space | 2 |
| Technology | 20 |
| Wind Energy | 1 |