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| 仪器零点 | |||
| 仪器零位置 | |||
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instrument zero : 35 phrases in 10 subjects |
| Automobiles | 2 |
| Aviation | 1 |
| Construction | 2 |
| Electric machinery | 2 |
| Electronics | 7 |
| General | 1 |
| Geophysics | 2 |
| Metallurgy | 3 |
| Space | 1 |
| Technology | 14 |
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