One is fluid equation for the pressure, the other convection-dispersion equation for the saltwater concentration.
一个是关于压力的流动方程，另一个是关于含盐浓度的对流方程。
The travel time estimation model based on the dynamic fluid equation can not reflect the actual travel time well, which needs to make certain improvement.
基于流体动力学方程的行车时间估计模型不能很好地反映真实的行车时间，需要对其进行一定的改进。
The governing equation of motion for fluid particles moving on bucket was deduced on BFC at the same time.
在水斗三维贴体坐标系中，还推导了流体粒子在水斗曲面上的运动控制方程。
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