Materials which can be analysed and calculated by two levels are referred to as the composite materials, whereas the mechanicsofcomposites is a mechanical theory of two levels.
凡能进行两层次分析与计算的材料便可称为复合材料，复合材料力学则是一种两层次的力学理论。
2
The methodology of fracture mechanics based on continuous crack growth was applied to the investigation of the microscopic damage evolution and toughness calculation for fiber composites.
文中以裂纹连续扩展的断裂力学方法，研究单向纤维复合材料的细观损伤演化与韧度计算。
3
Analyzing the mechanics properties of three-dimensional braided composites is based on learning their braid structure.