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| cosine | |||
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余弦 {数 : 15 phrases in 9 subjects |
| Air defense | 2 |
| Aviation | 1 |
| Construction | 1 |
| Earth sciences | 2 |
| Electronics | 1 |
| Mathematics | 1 |
| Oil / petroleum | 1 |
| Space | 3 |
| Technology | 3 |
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