The unusual cold might have been driven at least partly by the Arctic Oscillation (AO).
这不寻常寒冷的一部分原因可能由于是北极涛动(AO)。
2
One of the more severe fluctuating pressure environments encountered in supersonic or hypersonic flows is the shock wave oscillationdriven by interaction of a shock wave with boundary layer.
在超声速或高超声速绕流中，一种很严重的脉动压力环境是由激波边界层相互作用引起的激波振荡。
3
Mould oscillation plays an important role in the continuous casting. In recent years, the hydraulic oscillation is developed and has been widely applied as a driven equipment of mould oscillation.