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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 |
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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 |