不稳流动 transient flow

不稳定流 [流] unsteady flow ; [流] unstable flow ; irregular flow ; [流] non-stationary flow

不稳定流动 unsteady flow ; unsteady-state flow

不稳流形 unstable manifold

三维不稳定流场 three-dimensional unsteady flow field

不稳定电流 Unstable Current ; [电] unsteady current ; erratic current

不稳气流 DIRTY AIR

流动不稳定性 flow instability ; flow instabilities