Its circular brick-and-cement foundation is stationary, supporting a steel track on which the house revolves, moved by a small electric motor.
圆形的砖混地基底座是固定的上面安装了钢轨而房体就由一台小型电动马达驱动在钢轨上转动。
They can be used directly for computing circular foundation plates.
这些结果可以直接应用于基础圆板的计算。
The method can be used to calculate the vibration features of circular blades with friction damper, so it provided the foundation for designing the blade with friction damper.
该方法稍加推广即可研究循环叶片组的振动特性，为指导带缘板阻尼器叶片的减振设计奠定了基础。
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