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| Referenzfeld n (A field that is associated with another field so that their properties always match. If the properties in one field are changed, the properties in the other field are updated automatically) | |||
| Referenzfeld n | |||
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reference field : 7 短语, 5 学科 |
| 信息技术 | 2 |
| 天线和波导 | 2 |
| 建造 | 1 |
| 技术 | 1 |
| 收音机 | 1 |