By combining the transient change model method and rarefaction wave method, the multidimensional rules to detect the leakage and locate the leak point were set up.
并结合管道瞬变模型法与负压波法建立多维判别法则，解决输油管道泄漏检测及漏点定位的问题。
The propagation of spherical electromagnetic wave(SEW) in a time-varying media of multidimensional space were studied.
研究了球面电磁波在多维空间时变媒质中的传播特性。
The multidimensional dissipation scheme was developed and included in the upwinding algorithm for unstructured triangular meshes to improve the computed shock wave resolution.
推导了多维耗散格式，并采用非结构化三角网格的迎风算法，改善了激波的计算结果。
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