通过对流体的局部、瞬时守恒方程进行系综平均，得到了双流体模型的基本方程。
The basic equations of two-fluid model have been developed byapplying ensemble averaging to the local instantaneous conservation equations.
建立了基于线性动力波的地貌瞬时单位线模型。
A geomorphic instantaneous unit hydrograph model is developed based on linear dynamic wave.
该模型考虑了瞬时弹性变形及其蠕变的非线性特性。
This model considered the instant elastic deformation and nonlinear creeping.
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