The fiber reinforced resin matrix composites are a kind of structural material with high specific strength and high specific rigidity.
纤维增强树脂基复合材料是一类高比强度、高比刚度的结构材料。
Fiber Reinforce Plastic (FRP) is a kind of composite materials which has high specific intensity, high specific rigidity, low density, excellent corrosion-resistance.
纤维增强材料(FRP)是一种具有比强度高、比刚度高、低密度、耐腐蚀性等优越性能的复合材料。
During the treatment of a particle field the effect of particle diameter, specific weight, rigidity of material and friction factor, etc on particle movement has been taken into account.
在处理颗粒场时考虑到颗粒直径、比重、材料的刚度、摩擦系数等对颗粒运动的影响。
The specific obligations regarding domestic policies are significantly featured by flexibility, and the obligations regarding external policies embody rigidity, but lack of operation.
国内政策义务具有“空”、“泛”的特点和显著的柔性，而对外义务虽然呈现刚性，但缺乏可操作性。
The specific obligations regarding domestic policies are significantly featured by flexibility, and the obligations regarding external policies embody rigidity, but lack of operation.
国内政策义务具有“空”、“泛”的特点和显著的柔性，而对外义务虽然呈现刚性，但缺乏可操作性。
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