The finite element method is a dispersed method, so it can be used directly to calculate the status for different loads, rigidity, etc.
有限元法是一种离散化的方法，它可以直接用来计算荷载不同、刚度不同的各种情况。
As a kind of dispersed numerical value method, the finite element is of approximate methods, and is based on principle of variation.
有限元法作为一种离散化的数值方法，是一种近似方法，其理论基础是变分原理。
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