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| initial line | |||
| 初始 线: 28 phrases in 10 subjects |
| Aviation | 1 |
| Bridge construction | 1 |
| Earth sciences | 6 |
| Electronics | 2 |
| Engineering geology | 1 |
| Hydroelectric power stations | 3 |
| Military | 1 |
| Oil / petroleum | 2 |
| Space | 1 |
| Technology | 10 |
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