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unidirecional | |||
um elevador; simplex | |||
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simplex; à vez; semiduplex desaconselhado |
Simplex : 73 phrases in 10 subjects |
Chemistry | 1 |
Communications | 4 |
Earth sciences | 1 |
General | 1 |
Health care | 4 |
Information technology | 5 |
Mathematics | 1 |
Mechanic engineering | 1 |
Medical | 50 |
Statistics | 5 |