非定常不稳定流动  Unsteady and Unstable Flow

不稳定流非稳定流  unsteady flow

非定常不稳定  unsteady and unstable

强稳定(不稳定)流形  strong stable (unstable) manifolds

弱稳定(不稳定)流形  weak stable (unstable) manifolds

稳定-非稳定渗流  steady-nonsteady seepage

平稳流定常流  stationary flow

稳定-不稳定  stability-instability

稳定流定常怜  Steady flow

稳流稳定流动  stationary flow

奥新非稳定流  oseen unsteady flow

不可压缩非定常流  unsteady incompressible flow

地下水非稳定流  groundwater unsteady flow; Unsteady groundwater flow

二维非定常非对称  two-dimensional unsteady and non-symmetric

二维非定常非对称流动  two-dimensional unsteady and non-symmetric flow fi

非常非常的  molto molto

非常稳定性  entrerenal stability

非定常不可压NS方程  unsteady incompressible Navier Stokes equations

非定常不可压N-S方程  unsteady incompressible Navier Stokes equations