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1·After unloading and resiling, the curvature radius of CT decreases monotonously along with stretch increasing. As a result, stretch is helpful to reducing resilience.

在“拉弯”作用的情况下，卸载回弹后的曲率半径随着拉力的增大而单调减小，因此拉力的作用有助于减小回弹。