讨论圆截面弹性细杆在黏性介质中的平面振动。
The planar vibration of a thin elastic rod with circular cross section in viscous medium is discussed.
讨论受圆柱面约束的圆截面弹性杆的平衡与稳定性。
The equilibrium and stability of an elastic rod with circular cross section under the constraint of a cylinder is discussed.
并对变截面弹性地基梁的计算进行研究，得出计算公式。
The calculation of changing section foundation beams is also studied, and the calculation formulae are worked out.
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