envelhecimento : 65 phrases in 17 subjects |
Agriculture | 5 |
Demography | 2 |
Economy | 1 |
Electronics | 2 |
Food industry | 1 |
Forestry | 1 |
General | 6 |
Health care | 1 |
Industry | 7 |
Materials science | 4 |
Mathematics | 2 |
Mechanic engineering | 1 |
Metallurgy | 16 |
Social science | 4 |
Statistics | 2 |
Technology | 8 |
Transport | 2 |