... 放射性密度比 ratio of activity densities 模量密度比 modulustodensityratio ; densityratio 毛圈经密与地经密度比 terry to ground ratio ...
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研究结果表明，膨胀性泥页岩填料的承载比（CBR）和回弹模量主要受制样含水量及干密度的控制；
The results have shown that the CBR and resilience modulus of expansive shale were mainly controlled by moisture content and dry density.
相对密度相同时，体心立方结构多孔材料的抗压强度与弹性模量分别比简单立方结构提高了11.2%和2.2%。
Under the same relative density, body-centered cubic hollow sphere foams were 11.2% and 2.2% larger than simple cubic lattice in stress and modulus.
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