polycyclic relief是什么意思

用法例句

The Mg matrix composite fabricated by repeated plastic deformation has excellent mechanical properties due to good interface between reinforcement and Mg matrix which was formed by the in-situ solid state reaction.

采用多次循环塑性变形方法制备高性能镁合金材料,增强相在固相反应过程中原位形成,与基体相容性良好、界面结合强度高,可以显著提高多次循环塑性变形方法制备的镁合金材料的力学性能。