The rocking vibration of a flexible circular plate with rigid core resting on saturated ground is studied.
基于饱和土弹性波动方程，研究了饱和地基上含刚核弹性圆板在摇摆谐和力矩作用下的振动特性。
The movable backrest plate bed is characterized in that: along with the rocking up of the movable backrest plate, the pulley pole support is inclined by the backrest plate until being supported.
本发明的特征在于随着活动靠背板的摇起，滑轮支杆随靠背板倾斜直至撑起。
The movable backrest plate bed is characterized in that: along with the rocking up of the movable backrest plate, the pulley pole support is inclined by the backrest plate until being supported.
本发明的特征在于随着活动靠背板的摇起，滑轮支杆随靠背板倾斜直至撑起。
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