maximum rated force under sinusoidal conditions

Methods for measuring the resonat frequency and the angle amplification ratio of torsional transformers are introduced in which a small-signal sine electromagnetic excitation or an impulsive mechanical knock excitation is used to excite the horn and accleromoters are used to measure the response signals.

介绍以小信号正弦电磁激振和脉冲敲击激振，加速度计进行信号检测的扭振超声变幅杆谐振频率和角位移放大系数的测定方法。

Studies of the compaction mechanism and the stability of gravel road performance of RCC exciting force for big thick layer of cement, will great theoretical and practical significance give the promotion of such structure and use.

开展大激振力碾压作用下厚层水泥稳定碎石压实机理和路用性能研究,对于此类结构的推广和使用具有重要的理论与现实意义。

By shifting the mean stress and the sine wave stress amplitude,uniaxial cyclic experiments were performed to study the dynamic response of fluid-saturated sandstones and marbles.

在单轴循环加载实验中不断改变平均应力和正弦波应力振幅的实验条件下,研究饱和砂岩和大理岩的动态响应。