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| phonometry | |||
| acoumetry | |||
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测声术 : 26 phrases in 9 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 4 |
| General | 1 |
| Oil / petroleum | 3 |
| Space | 1 |
| Technology | 13 |
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