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lois de conservation | |||
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loi de conservation |
conservation laws : 19 phrases in 9 subjects |
Chemistry | 1 |
Construction | 1 |
Environment | 1 |
Fish farming pisciculture | 2 |
General | 1 |
High energy physics | 3 |
Name of organization | 6 |
Natural sciences | 3 |
Physical sciences | 1 |