longitudinal length modes

例句：

1. 1. The structural engineers are analyzing the longitudinal length modes of the building to ensureits stability.
   结构工程师正在分析建筑物的纵向长度模式，以确保其稳定性。
2. 2.The research on longitudinal length modes is crucial for understanding the behavior of materials under tension.
   研究纵向长度模式对于理解材料在拉伸下的行为至关重要。
3. 3. In the design phase, it's important to consider the longitudinal length modes to avoid potential structural issues.
   在设计阶段，考虑纵向长度模式是很重要的，以避免潜在的结构问题。