physical and mechanical characters

• 物理力学性质

physical and mechanical characters的用法和样例：

例句

1. The lithology and the weathering degree of the bed rocks are the main factors to determine their physical mechanical properties.
   基岩的岩性和风化程度是决定其物理力学性质的王要因素。
2. RC is a composite material with rebar and concrete that have different physical mechanics characters, and its constitutive relationship is relatively complex.
   摘要钢筋混凝土是由钢筋和混凝土两种具有不同物理力学性质的材料组合而成的复合材料，其本构模型比较复杂。