The mechanical behavior and failure mechanism of woven fabric composites depend significantly on its micro-structure and the properties of each constituent.
其力学性能及损伤破坏机理不仅取决于各组分材料的性能，同时也取决于细观结构特征。
2
Its operating principle, structure constituent, circuit design and mechanical layout are described.
叙述了该装置的工作原理、结构组成，电路设计及机械设计。
3
Objective: To investigate the constituent ratio and change of bacterial strains in patients with severe pulmonary infection before and after mechanical ventilation.