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数字读数 : 58 phrases in 14 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Aviation | 9 |
| Computers | 2 |
| Earth sciences | 1 |
| Economy | 1 |
| Electronics | 16 |
| Geophysics | 2 |
| Oil / petroleum | 1 |
| Project management | 1 |
| Shipbuilding | 1 |
| Space | 3 |
| Technology | 17 |
| Telecommunications | 2 |
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