quasi-periodic motion meaning in English

拟周期运动

The period - doubling solution in the nonplanar cantilever is also found . for the planar cantilever , the period - three , period - multiplying , quasi - periodic motions are showed . the transfer from period - three motion to chaotic motion and the transfer from quasi - period motion to chaotic motion are given by the numerical simulation
对于平面运动悬臂梁还发现了三倍周期运动，多倍周期运动，概周期运动，以及三倍周期运动和混沌运动之间的相互转化，概周期运动和混沌运动之间的相互转化。