Distinct element method is a numerical calculating method for analysing and solving discrete problem of discontinum body.
离散单元法是一种分析和解决非连续体离散的问题的数值计算方法。
Optimal design of ship structures is a complicated nonlinear mixed-discrete problem and a difficult challenge in searching for its global optimal values.
船体结构之最佳化设计是一个复杂非线性的混和离散问题，并且要搜寻到全域的最佳值并不容易。
In chapter one, the background and the method of the study for discrete problem, and main task of this paper are introduced.
第一章介绍了离散问题的研究背景、主要研究方法及本文的工作。
In chapter one, the background and the method of the study for discrete problem, and main task of this paper are introduced.
第一章介绍了离散问题的研究背景、主要研究方法及本文的工作。
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