By deriving the equations of motion with the Lagrange's equation method and the application of simple but efficient simulation programs, important findings about the system behavior could be obtained.

根据拉格朗奇方程建立的运动方程和简单而高效的仿真，就能获得系统的重要特性。

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And differential equation of motion of lamella under the action of dynamic couple is set up by means of Lagrange's equation. In the end, its dynamic response is presented here.

用拉格朗日方程建立了动力偶作用下薄板的运动微分方程，并给出其动力响应。

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