提出了一个简化特征分析的方法，这种方法将成为应用特征线法求解各类各向异性应力波问题的一个突破口。
Then, a approximate method for characteristic analysis is presented, which will pave the way for solving the stress wave propagation problems in anisotropic solid.
分析迁移应力，确定了真实应力空间中的屈服函数，并采用旋转硬化规律考虑应力引起的土体各向异性。
Then the shift stresses were analyzed to specify the yield locus in true stress space and rotational hardening law was adopted to embody the anisotropy induced by stresses.
结果表明：界面交换作用导致单向各向异性，应力各向异性对材料的磁化难易程度有较大影响。
It is shown that exchange anisotropy results from the unidirectional anisotropy. And stress anisotropy has large effect on hard or easy magnetization direction.
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