教授：可逆与，不可逆间的边界？
学生：可逆与不可逆间,有没有边界？
STUDENT: Is there a boundary between reversible and irreversible?
这是由于磁畴边界的不可逆运动所致。
This results from the irreversible motion of domain boundaries.
接触问题是非线性问题，涉及到应力集中、局部边界非线性、切向力的不可逆性等一系列非线性问题。
The contact problems are non-linear problems, which relate to stress concentration, local boundary nonlinear, no-reversibility of shear force, and so on.
采用一种简单混合物相变本构模型，对不可逆相变材料有限杆中的宏观相边界传播规律进行了研究。
The rules regarding the propagation of irreversible phase boundaries along a finite rod are investigated with a phase transition constitutive model based on the simple mixture theory.
采用一种简单混合物相变本构模型，对不可逆相变材料有限杆中的宏观相边界传播规律进行了研究。
The rules regarding the propagation of irreversible phase boundaries along a finite rod are investigated with a phase transition constitutive model based on the simple mixture theory.
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