hierarchical design
| method
| hierarchical design | |
| tech. | 分级设计 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 分级设计 | |||
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hierarchical design : 14 phrases in 7 subjects |
| Aviation | 1 |
| Electronics | 5 |
| Information technology | 2 |
| Mathematics | 1 |
| Space | 2 |
| Statistics | 1 |
| Technology | 2 |