... nonstationaryiterativemethod不定常迭代法 nonstationary非固定的；非稳定的 nonsteadyflow非稳定流动 ...
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为矿井风流非稳定的分析提供了数学基础。
It may supply the mathematical basis for analysis of mine ventilation.
计算的腔包括对称与非对称的、稳定与非稳定的。
The calculations covered symmetric and asymmetric, stable and unstable resonators.
根据非均匀各向异性地层的非稳定的地下水流动模型，采用有限差分法求解，可以定量判断油气运移的方向及强度。
According to geologic model of unsteady groundwater flow in heterogeneous medium and adopting the finite difference solution, the direction and strength of oil gas migration can be quantified.
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