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puoliaalto; puolijakso | |||
alternointi; vuorottelu | |||
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vaihtomerkit |
alternância : 19 phrases in 12 subjects |
Brazil | 2 |
Communications | 1 |
Economics | 1 |
Education | 2 |
Electronics | 2 |
Information technology | 1 |
Law | 1 |
Magnetics | 2 |
Medical | 1 |
Scientific | 2 |
Social science | 1 |
Transport | 3 |