characteristic analysis
| method
| characteristic analysis abbr. | |
| tech. | 特征分析 |
| method abbr. | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 特征分析 | |||
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characteristic analysis : 12 phrases in 7 subjects |
| Air defense | 1 |
| Electricity | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| Geophysics | 1 |
| Shipbuilding | 1 |
| Technology | 6 |