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| 活动〔作用〕范围 | |||
| 放射性区【核】 | |||
| 活动层冻土，膨胀土; 主動區 | |||
| 反应段; 反应区; 反应带; 作用范围 | |||
| 活动带 | |||
| 活性区 | |||
| 活动区; 活动层; 工作范围 | |||
| active zone: 23 phrases in 8 subjects |
| Artificial intelligence | 1 |
| Bridge construction | 1 |
| China | 1 |
| Earth sciences | 2 |
| Electronics | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 3 |
| Technology | 13 |
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