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preliminary engineering
| development model
| preliminary engineering | |
| consult. | 初步设计 |
| development model | |
| desert. | 增量开发模型 |
| environ. | 发展模式 |
| fin. | 发展模式 |
| heavy.eq. | 发展模型 |
| oil | 开发模型 |
| space | 研制模型 |
| |||
| 初步设计 | |||
| preliminary engineering: 15 phrases in 9 subjects |
| Aviation | 5 |
| Earth sciences | 1 |
| Economy | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Technology | 3 |
| Telecommunications | 1 |
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