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| 中心〔正中〕零位的 | |||
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| 零中心 | |||
| zero center: 30 phrases in 9 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Aviation | 5 |
| Electric machinery | 2 |
| Electronics | 6 |
| Geophysics | 2 |
| Shipbuilding | 3 |
| Space | 1 |
| Technology | 9 |
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