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| 企口板榫舌; 企口板阳榫; 核心; 城市中心; 型心; 岩心; 中心带; 截面核心 | |||
| 核: 62 phrases in 4 subjects |
| Nuclear physics | 24 |
| Physics | 5 |
| Superconductivity | 3 |
| Technology | 30 |
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