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periodic series | |||
periodic train | |||
periodic sequence; periodic string; regular string |
периодическая последовательность: 15 phrases in 8 subjects |
Computers | 1 |
Electronics | 3 |
Makarov | 2 |
Mass media | 2 |
Mathematics | 4 |
Programming | 1 |
Technology | 1 |
Weapons of mass destruction | 1 |