периодически повторяющийся: 27 phrases in 18 subjects |
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Biotechnology | 1 |
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Geophysics | 3 |
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Makarov | 1 |
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Mathematics | 1 |
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Natural sciences | 1 |
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SAP | 1 |
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Technology | 2 |
Textile industry | 1 |
Transport | 1 |