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history | |||
coordinate curve | |||
coordinate curves |
坐标 曲线 : 33 phrases in 11 subjects |
Automobiles | 3 |
Aviation | 1 |
Bridge construction | 1 |
Business | 1 |
Drilling | 1 |
Explosives and Explosive Ordnance Disposal | 2 |
General | 1 |
Nautical | 5 |
Oil / petroleum | 2 |
Space | 2 |
Technology | 14 |