three-dimensional crack

• 三维裂纹

three-dimensional crack的用法和样例：

例句

1. An automatic 3D crack propagation program based on the FE method was proposed.
   摘要提出了一个基于有限元方法的自动三维裂纹扩展仿真系统模型。
2. The time-domain boundary element method in coupled quasi-static thermoelasticity was developed for 3-D thermoelastic crack problems.
   摘要将现有耦合准静态热弹性问题的时域边界元法进一步扩展应用到三维裂纹问题的分析中。