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alternate one-way traffic; shuttle service; single track operation |
alternante : 29 phrases in 13 subjects |
Agriculture | 1 |
Communications | 1 |
Earth sciences | 2 |
Electronics | 1 |
Medical | 10 |
Metallurgy | 3 |
Municipal planning | 1 |
Polymers | 2 |
Power lines | 2 |
Psychology | 1 |
Scientific | 1 |
Statistics | 1 |
Technology | 3 |