intrinsic period meaning in English

内禀周期

The carrying capacity , intrinsic period and the displacement are selected as the parameters of the standard table . so the lrb standardization is finished
选定支座设计承载力、桥梁的固有周期和支座变位作为标准化图表的参数，从而完成了铅销橡胶支座的初步标准化。
The three level fortification criterion and two stage design method and the elastic response spectrum theory are adopted , and the program of nba ( the program of nonlinear - aseismic analysis for beam bridge ) is used to calculate . a lot of bridge design materials are gathered , through analyzing and calculating , the bridge and the lrb are related by the intrinsic period
本论文采用三水准设防、两阶段设计方法、弹性反应谱计算理论，采用桥梁结构非线性地震响应分析程序nba ( theprogramofnonlinear ? aseismicanalysisforbeambridge )进行计算；通过收集大量的实桥设计资料，经分析计算，通过周期将桥梁与铅销橡胶支座联系起来。