根据电场计算方法和物理模型建立了空腹式接地装置的计算等效模型。
With the model and electric calculation method, it programmed for the calculation of hollow grounding device resistance.
建立了型钢砼结构（空腹式）的光滑恢复力模型参数与结构设计参数的关系；
The parameters in the restoring force model corresponding to the design parameters of SRC member and structure are also determined.
空腹式拱桥是指主拱圈和主梁之间用立柱支撑，在主拱圈以上设有腹拱的拱桥。
Empty arch bridge is the arch bridge that USES sign pillar to prop up between the main arch and main beam, and has inner-arch on the main arch.
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