unsteadyadj.不稳定的；易变的；颤动的；不规则的；不一致的v.不稳定；动摇unsteady resonator非稳定谐振器unsteady diffusion不稳定扩散unsteady reservoir非稳态油藏unsteady IPR curve不稳定IPR曲线unsteady fluid flow非稳定流unsteady constraint非定常约束unsteady state flow不稳定状态流动unsteady wind field非定常风场unsteady flow field非定常流场unsteady dispersion不稳定分散