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durée de vie moyenne | |
el. | mean life |
health. | mean length of life |
| |||
mean life | |||
mean length of life | |||
average life |
durée de vie moyenne : 21 phrases in 7 subjects |
Communications | 1 |
Electronics | 1 |
Finances | 1 |
General | 1 |
Statistics | 1 |
Technology | 6 |
Радиоактивное излучение | 10 |