The longitudinal response frequency and damping features of the flexible wing at both modes of long and short periods are also better than those of the fixed wing.
柔性翼的长周期和短周期模态的衰减特性和阻尼特性略优于刚性翼。
Uneven settlement of soft_soil foundation will cause changes of longitudinal mechanical properties, and generate stress response destroying pipelines, thereby will cause engineering accidents.
软土地基的不均匀沉降将导致管道纵向力学性状的变化，产生破坏管道的应力响应，从而引发工程事故。
A lot of subjects such as the difference between longitudinal and transverse conductivity, proton compensate, frequency response, and sample geometry etc, remained for further study.
但测试过程中还有许多问题有待进一步研究，如膜的纵向与横向电阻的差别、质子补偿、膜的频率响应特性、测试几何尺寸的影响等。
In the present paper, the resonant response of a vertical mooring-line in case of neutrally buoyancy, for a given harmonic longitudinal excitation, is discussed. The law of stress-strain is nonlinear.
本文讨论垂直的中和浮力系留素在浮体的纵向激励处于谐振的情形下的共振响应问题，其中应力应变关系为非线性的。
Aircraft longitudinal dynamic response of the system with and without LEX is analyzed by solving the state equation of aircraft longitudinal motion.
通过求解全机纵向运动状态方程，分析了全机模型带与不带机翼边条时纵向动态响应问题。
The frequency response function, frequency-domain and time-domain expressions for the longitudinal vibration velocity at the pile top were obtained further.
研究了渐缩自由桩和渐扩自由桩的桩顶纵向振动速度时域曲线特征；
Finally, the seismic responses of the bridge under longitudinal earthquake inputs are evaluated with the response spectrum method based on the FE model. An imagined earth-anchored concrete…
因结构耗能方式也随之发生了变化，主塔和主梁在纵向地震输入下的各种反应均呈不同程度的增加。
The mode response of a steel truss bridge was analyzed by ANSYS and its seismic responses under transverse and longitudinal excitation were calculated using time-history analysis function.
通过利用ANSYS对某钢桁架桥进行了模态分析，并用时程分析法进行了在横桥向和竖桥向激励下的地震响应分析，得到了在关键截面的位移和杆件内力响应峰值。
The mode response of a steel truss bridge was analyzed by ANSYS and its seismic responses under transverse and longitudinal excitation were calculated using time-history analysis function.
通过利用ANSYS对某钢桁架桥进行了模态分析，并用时程分析法进行了在横桥向和竖桥向激励下的地震响应分析，得到了在关键截面的位移和杆件内力响应峰值。
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