under ground structures

• 地下结构

under ground structures的用法和样例：

例句

1. The antiseismic research of underground structures is very important in earthquake engineering.
   摘要地下结构抗震研究是当今地震工程界重要的研究方向。
2. The different seismic responses of underground structures in liquefiable soil at different burial depths were studied using the nonlinear coupled finite element method.
   应用非线性液固两相体动力有限元方法研究饱和可液化土中地下结构在水平地震作用下埋深的响应。