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隔离栅 | |||
屏障, |
barreiras: 28 phrases in 11 subjects |
Brazil | 1 |
Cables and cable production | 1 |
Electric machinery | 2 |
Electronics | 4 |
Environment | 5 |
International Monetary Fund | 5 |
Mathematics | 1 |
Nuclear physics | 2 |
Semiconductors | 2 |
Statistics | 3 |
Superconductivity | 2 |