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| 突变 | |||
| 突跃; 突然变化; 突变沉积 | |||
| sudden change: 16 phrases in 6 subjects |
| Automobiles | 5 |
| Commerce | 1 |
| Economy | 1 |
| Electric machinery | 1 |
| Hydroelectric power stations | 1 |
| Technology | 7 |
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