structure indicator

例句：

1. 1. The structure of the building is designed to maximize energy efficiency.
   这座建筑的结构设计旨在最大化能源效率。
2. 2. The new design incorporates a structural indicator that improves stability.
   新设计中包含了一个结构指示器，以增强稳定性。
3. 3. The company uses this structural indicator to monitor its performance over time.
   该公司使用这个结构指标来监测其随时间的性能变化。