重点介绍了共混型热塑性弹性体形变机理的几种模型，包括不均匀变形、有限元模型、微孔模型等。
The deformation mechanism of thermoplastic elastomer, such as inhomogeneous deformation, finite element method and microcellular model, was discussed on emphases.
在运营期间，由于地基不均匀下陷、缩性形变、机械破损、化学腐蚀等原因引起HDPE膜渗漏。
In landfill operation period, the HDPE was also leaked because of the ground deformation, machinery breakage, chemistry corrosion reasons.
一定温度范围内聚烯烃均出现显著的应力波动现象，形变不均匀、不稳定。
In a certain range of tensile temperature, the stress strain behavior of polyolefins studied showed good similarity.
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