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| begrænsning med 2 elementer (A constraint that applies to two elements, such as two classes or two associations. The constraint is shown as a dashed arrow from one element to the other, labeled by the constraint string in braces ({ })) | |||
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2 : 38 phrases in 11 subjects |
| Agriculture | 2 |
| Chemistry | 9 |
| Communications | 5 |
| Environment | 2 |
| Food industry | 6 |
| Health care | 4 |
| Information technology | 3 |
| Law | 1 |
| Medical | 1 |
| Statistics | 4 |
| Transport | 1 |