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| 估算技术 | |||
| 估测方法; 估算方法; 估计方法 | |||
| estimation technique: 14 phrases in 7 subjects |
| Air defense | 1 |
| Business | 3 |
| Construction | 2 |
| Earth sciences | 1 |
| Economy | 3 |
| Space | 1 |
| Technology | 3 |
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