| 释义 |
1 ?单自由度 以4种场地土条件下40条强震记录为输入,分析了弹塑性单自由度(Single Degree of Freedom,SDOF)系统的地震输入能量谱,并对地震动强度和SDOF系统参数对地震输入能量谱的影响进行了研究。 2 ?单一自由度 单一自由度 individual degree of freedom; single degree of freedom 单自由度 single degree of freedom; single-degree-of-freedom; unidirection; unidirectional .. 3 ?分析了弹塑性单自由度 以4种场地土条件下40条强震记录为输入,分析了弹塑性单自由度(Single Degree of Freedom,SDOF)系统的地震输入能量谱,并对地震动强度和SDOF系统参数对地震输入能量谱的影响进行了研究。 4 ?性单自由度 以4种场地土条件下40条强震记录为输入,分析了弹塑性单自由度(Single Degree of Freedom,SDOF)系统的地震输入能量谱,并对地震动强度和SDOF系统参数对地震输入能量谱的影响进行了研究。
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The single degree of freedom model of bucket-soil was established according to the dynamic characters and vibratory mechanism. 依据振动掘削的动力学特征和振动机理，建立铲斗-土壤的单自由度模型。 - 2
In order to study the response of structures with steel BRBs, substructure pseudo-dynamic tests were performed on frame with a single degree of freedom(SDOF). 为研究装有防屈曲钢支撑阻尼器的框架在地震作用下的动力反应，对一个单自由度框架结构进行子结构拟动力试验。 - 3
The example shows that the bifurcation condition of single degree of freedom nonlinear oscillator can indicates the motional behavior of nonlinear flutter system. 算例表明，单自由度非线性振子的分叉条件能够预示非线性颤振系统的运动规律。
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