What it says on each small flat piece — it says that the line integral along say, for example, this curve is equal to the flux of a curl through this tiny piece of surface.
它可以对任一个小平面使用-，比如说对于这条曲线的线积分，等于通过这个曲面的旋度通量。
The equipment operating condition of flat membrane ultrafiltration was determined experimentally, which including stirred speed, pressure, flux ratio.
通过实验确定了平板膜实验装置超滤过程的操作条件，包括搅拌转速、操作压力、流量比等。
The calculated results of current density and heat flux on flat weld pool surface using model established in this paper are agreed with experiment.
用本模型计算出的平坦熔池表面电流密度和热流密度的分布与试验结果显示了很好的一致性。
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