海冰对应变速率变化较敏感，在不同应变速率范围内可表现出不同的力学行为和强度特性。
Because of its strength sensitivity to strain rate, sea ice displays different mechanism behavior and strength features in different range of strain rate.
介绍了细水泥浆液及其结石的物理力学特性（粘度、稳定性、凝结时间、抗压和抗渗强度等）的改性研究成果。
The study results on mechanical properties of fine cement grout and its calculus, including cohesion, stability, setting time, compressive resistance and impervious strength, etc.
其力学特性的研究对充分发挥材料的强度，提高设计水平和降低工程造价具有十分重要的意义。
Studies for the mechanical properties of concrete are very important to increase the strength of concrete material, improve design level and reduce the construction cost.
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