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incidence; occurrence | |||
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occurrence |
حدوث : 40 phrases in 14 subjects |
Acridology | 1 |
Data processing | 1 |
Economy | 5 |
Environment | 3 |
Forestry | 1 |
Law | 1 |
Magnetics | 1 |
Medical | 12 |
Reliability | 8 |
Research and development | 1 |
Security systems | 1 |
Soil science | 2 |
Statistics | 1 |
United Nations | 2 |