框架结构的高阶模态表现为构件局部挠曲的模态形式。
High order modes of the frame structure represent the forms of member's local bending.
对由自重产生挠曲的各种织物弯曲刚度测定方法给出统一的理论分析。
A unified theory is presented to analyze some conventional methods for estimating the bending rigidity of fabrics, which described the elastic deformation of fabrics under gravity.
该机螺旋体心轴为可挠曲的，因此输送线路可根据需要按空间曲线布置。
The spiral mandrel is flexible, so the transmission line can be arranged according to the space curve.
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