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| kaksielementtinen rajoite (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 : 3 צירופים, 3 נושאים |
| חַקלָאוּת | 1 |
| טכנולוגית מידע | 1 |
| תקשורת | 1 |