结果显示质点跟踪法不仅耗散更低，而且守恒性也更好。
The result shows that the Particle-tracing Method is not only less diffusive , but also more conservative.
因为没有像欧拉·拉格朗日方法那样反复插值，所以质点跟踪法极大地降低了数值耗散。
Without repeated interpolations such as in ELM, the Particle-tracing Method reduces the numerical diffusion quite a lot.
最后，本文在三维ecom模型下把质点跟踪法应用到了对长江口污染物扩散的数值模拟中。
Finally, under the three-dimensional ECOM model, the Particle-tracing Method is applied to the numerical modeling of the Changjiang Estuary sewage diffusion.
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