The spatial flux terms are discretized by using central difference scheme and the time integration is performed by using explicit scheme in the flow solver.
流场求解时采用中心差分的有限体积方法对空间通量项进行离散，采用显式推进方法进行时间方向的积分。
The model indicates that the economic spread flux of central city to satellite city is in proportion to the capacity of traffic passages and industrial gradient between them.
模型表明主城对卫星城市的经济扩散通量与其间交通通道的通过能力及两城市间的产业梯度呈正比。
The results of superposed epoch analysis for the central zone flux further show this effect.
中央条流量的迭加周期分析结果，进一步证实了冕洞的这种效应。
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