This same differential element will make an identical contribution when viewed in the overlapping spread-function scheme.

从交叠的扩展函数方案来看，同一个微分元也将作出相同的贡献。

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This method is available for solving large matrix equations with (Finite Element method) or Finite Differential Element method.

该方法克服了有限元或有限差分法需求解大型矩阵方程的困难，计算简单、结果可靠。

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For the end, an equation of mass flux of jet about time deduced by the differential element method was compared to CFD results, and the influence of design parameters was analyzed.

最后利用微元法得到了射流流量随时间变化的函数关系式，并和数值模拟值进行了对比，分析了各设计参数的影响。

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