On the basis of the 4-dimensional geometric theory of the nonlinear defect continuum, the continuity equations of dislocations and disclinations are derived.
根据非线性缺陷连续统的4维几何理论，导出了位错和旋错的连续性方程。
We have established the continuity equations under train pipe leakage condition and presented an explicit finite difference method to solve the pressure-velocity coupling equations.
建立了考虑列车管泄漏的连续性方程，给出一种求解压力速度耦合方程的显式有限差分算法。
In addition, the solution process of equations formed by boundary condition of continuity in different situation is analyzed, and the simple and convenience solution is given.
此外，文章详细分析了由边界连续条件构造的方程组在不同情况下的求解过程，给出了简单方便的求解方法。
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