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spread ratio | |||
spacing ratio (率); spread ratio (率) | |||
spacing ratio |
间距比 : 14 phrases in 8 subjects |
Automobiles | 2 |
Desert science | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Metallurgy | 1 |
Superconductivity | 1 |
Technology | 6 |
Telecommunications | 1 |