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| 系统变换 | |||
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system change : 46 phrases in 13 subjects |
| Automobiles | 2 |
| Aviation | 18 |
| Business | 2 |
| Commerce | 1 |
| Economy | 1 |
| Electronics | 2 |
| Information technology | 1 |
| Metallurgy | 2 |
| Name of organization | 1 |
| Shipbuilding | 2 |
| Solar power | 1 |
| Space | 3 |
| Technology | 10 |
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