如果流体肌肉中充满空气，它的直径扩大、长度减小，从而进行流动的弹性运动。

When the fluidic muscle fills with air, it increases in diameter and contracts in length, enabling a fluid, elastic movement.

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根据板的大挠度理论，考虑板内的薄膜力，建立了波浪中运动平板的水弹性运动方程。

According to the theory of a plate with large deflections, the motion responses equations of a floating plate are established considering the influence of the membrane forces.

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采用多项式迟滞非线性模型建立二元机翼气动弹性运动方程，并用数值积分法进行求解。

The dynamical equation of a two-dimensional airfoil with polynomial hysteresis nonlinearity in pitch is solved using Runge-Kutta time marching integration.

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