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période
| à vide
| période | |
| agric. | περίοδος |
| commun. transp. | βαθμίδα; περίοδος,χρονικόν διάστημα; διάρκεια περιόδου |
| fin. | περίοδος κύκλου |
| math. | περίοδος |
| nucl.pow. | χρόνος υποδιπλασιασμού; ημιζωή; χρόνος ημιζωής |
| à vide | |
| earth.sc. el. | ανοικτό |
| période: 680 phrases in 54 subjects |
| Accounting | 7 |
| Agriculture | 25 |
| Animal husbandry | 2 |
| Art | 1 |
| Astronautics | 1 |
| Canada | 1 |
| Chemistry | 10 |
| Coal | 1 |
| Commerce | 2 |
| Communications | 35 |
| Earth sciences | 10 |
| Ecology | 1 |
| Economy | 40 |
| Education | 17 |
| Electronics | 26 |
| Energy industry | 2 |
| Environment | 20 |
| Finances | 71 |
| Fish farming pisciculture | 4 |
| General | 39 |
| Government, administration and public services | 4 |
| Health care | 15 |
| Hobbies and pastimes | 1 |
| Human rights activism | 1 |
| Information technology | 9 |
| Insurance | 38 |
| Labor law | 8 |
| Law | 37 |
| Life sciences | 30 |
| Marketing | 5 |
| Materials science | 5 |
| Mathematics | 5 |
| Mechanic engineering | 7 |
| Medical | 50 |
| Metallurgy | 1 |
| Microsoft | 9 |
| Natural resourses and wildlife conservation | 12 |
| Natural sciences | 18 |
| Nuclear and fusion power | 2 |
| Nuclear physics | 1 |
| Patents | 2 |
| Pharmacy and pharmacology | 4 |
| Physical sciences | 1 |
| Politics | 10 |
| Procedural law | 1 |
| Security systems | 6 |
| Social science | 9 |
| Sociology | 1 |
| Statistics | 33 |
| Taxes | 6 |
| Technology | 7 |
| Transport | 23 |
| United Nations | 2 |
| Work flow | 2 |