roof-to-floor convergence ratio

例句：

1. 1.The roof-to-floor convergence ratio is an important factor in determining the structural integrity of a building.
   屋顶到地板的收敛比率是确定建筑结构完整性的一个重要因素。
2. 2.The engineer used the roof-to-floor convergence ratio to calculate the load distribution on the roof.
   工程师使用屋顶到地板的收敛比率来计算屋顶上的荷载分布。
3. 3.The construction company analyzed the roof-to-floor convergence ratio to ensure the stability of the building during construction.
   建筑公司分析了屋顶到地板的收敛比率，以确保建筑施工期间的稳定性。