natural inherent frequency
natural gamma spectromenter of logger,自然伽玛能谱测井仪 natural inherent frequency,自然固有频率 natural mode of vibration,固有振型 ..
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考虑箱形截面梁剪力滞后效应的影响,利用推导出的箱形截面梁的弯曲振动方程及其自然边界条件,并据此进一步推导出了多跨箱形截面梁的固有频率方程。
Thinking over the influence of box beams shear lag effect, making use of the governing different equations and related natural boundary conditions of bending vibration to box girder.
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