Under the joint action of buoyancy, hydrodynamic force and capillary power, oil (gas) moves intermittently. This has been verified in the physical simulation experiment.
在浮力、水动力和毛细管力的共同作用下，油（气）呈间歇性运动，这在物理模拟实验中已得到证实。
Through advanced physical simulation experiment, the performance of the water-swelling agent is evaluated, and then it is improved.
运用先进的物理模拟实验对水膨体性能进行了评价，并对其进行了改进。
The results showed that using the physical simulation experiment to investigate and assess rail noise was effective and reliable, especially for the distribution of sound field in the building.
研究结果表明，采用物理模拟实验方法研究、评价铁路噪声，尤其是建筑群中的声场分布是可行和可靠的。
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