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tube of force | |||
field tube |
трубка поля: 18 phrases in 9 subjects |
Antennas and waveguides | 1 |
Cinematography | 1 |
Electrical engineering | 1 |
High energy physics | 1 |
Information technology | 1 |
Mass media | 10 |
Mathematics | 1 |
Medical appliances | 1 |
Rail transport | 1 |