under ground structures的用法和樣例：
例句
- The antiseismic research of underground structures is very important in earthquake engineering.
摘要地下結構抗震研究是當今地震工程界重要的研究方向。 - The different seismic responses of underground structures in liquefiable soil at different burial depths were studied using the nonlinear coupled finite element method.
應用非線(xiàn)性液固兩相體動(dòng)力有限元方法研究飽和可液化土中地下結構在水平地震作用下埋深的響應。
