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| 变动因素 | |||
| 变量元素; 可变元素 | |||
| 可变参数; 变量参数 | |||
| 变动要素 | |||
| variable element: 15 phrases in 10 subjects |
| Automatic control | 1 |
| Business | 1 |
| Earth sciences | 1 |
| Economy | 1 |
| Electronics | 1 |
| Finances | 1 |
| Information technology | 1 |
| Metallurgy | 1 |
| Mining | 1 |
| Technology | 6 |
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