The front stretcher adopts magnetic powder breaker to provide linear tension, to solve the relative slip between conveyor belt and damping roll;
前伸张器采用磁粉制动器线性的提供张力，解决输送带与阻尼辊间的相对滑动；
For the aircraft with moderate swept wing, the main reasons of causing wing rock are the variations of roll damping moment with the Angle of attack and the sideslip Angle.
对具有中等后掠角机翼的飞机，产生机翼摇晃的主要原因是滚转阻尼力矩随迎角和侧滑角的变化。
The concept of roll energy decay function is put forward, and the nonlinear damping coefficients are solved based on the minor error between actual energy function and evaluated energy function.
提出了能量衰减函数的概念，并由实际能量衰减函数与估算能量衰减函数之间的方差最小来确定非线性阻尼系数。
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