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plan de réflexion | |||
plan axial de symétrie; plan de division; plan M; plan axial | |||
plan de symétrie | |||
pian de symétrie |
плоскость симметрии: 16 phrases in 8 subjects |
Aviation | 6 |
Chemistry | 1 |
Geology | 1 |
Mathematics | 2 |
Mechanic engineering | 1 |
Metallurgy | 2 |
Physics | 2 |
Radio | 1 |