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| 投影角 | |||
| 抛射角 | |||
| 投射角 | |||
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projection angle : 33 phrases in 12 subjects |
| Air defense | 1 |
| Architecture | 1 |
| Athletics | 1 |
| Aviation | 1 |
| Cartography | 1 |
| Construction | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 6 |
| Shooting sport | 1 |
| Space | 4 |
| Technology | 14 |
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