Compared with conventional equivalent porous medium model, the waterlevel changes simulated by this double medium flow model are slower and the time of being stable is longer.
相对于等效多孔介质模型，双重介质模型模拟的水位下降速度更小，达到稳定的时间更长。
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NAUI Advanced Open water Diver or equivalent. For this course, equivalency is proof of certification beyond entry level with experience in deep diving and underwater navigation.