| |||
variation of speed | |||
perturbation of velocity; speed fluctuation; speed variation | |||
perpendicular of velocity |
速度变 动 : 7 phrases in 6 subjects |
Automobiles | 1 |
Economy | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Technology | 2 |
Textile industry | 1 |