three-dimensional crack的用法和樣例：
例句
- An automatic 3D crack propagation program based on the FE method was proposed.
摘要提出了一個基於有限元方法的自動三維裂紋擴展模擬系統模型。 - The time-domain boundary element method in coupled quasi-static thermoelasticity was developed for 3-D thermoelastic crack problems.
摘要將現有耦合準靜態熱彈性問題的時域邊界元法進一步擴展應用到三維裂紋問題的分析中。
