On the basis of the finite element solution to elastodynamic problems, we propose a new method of finite element elastic wave migration.
本文在弹性动力学问题的有限单元解的基础上，提出了一种弹性波偏移的新方法——有限单元法弹性波偏移。
In wave equation migration using finite element method, a great deal of computer's internal storage and computer time are used because of too many unknowns involved.
在使用有限元法求解波动方程偏移过程中，由于未知量数目巨大，需要花费大量的计算机存储空间和计算时间。
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