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резкая граница (Beneath the crust, seismic waves increase abruptly indicating a sharp boundary between the crust and upper mantle. ArcticFox) | |||
резкая граница |
sharp boundary : 5 phrases in 4 subjects |
Gold mining | 2 |
Makarov | 1 |
Natural resourses and wildlife conservation | 1 |
Physics | 1 |