其具有压实性能好、透水性强、填筑密度大、抗剪强度高、沉陷变形小、承载力高等工程特性，是一种性能良好的天然建筑材料。
As a sort of nicer natural building material, it has good compactibility, high permeability, great filling density, high shear strength, less settlement and deformation, and high bearing capacity etc.
本文根据骨缺损时硬脑膜在脑压作用下的弯曲变形特点，引入抗膨出特性参数：初始变形指数和蠕变指数。
The parameters of anti-protruding properties of dura and substitutes are introduced on the basis of constant creep solution of the dural deflection under the constant intracranial pressure .
复合成型后的材料不仅具有不变形、抗弯曲强度大，防水、防火及耐酸碱的特性。
The finish material are no distortion, no bending, water proof, fire proof and anti corrode from acid and alkaline.
目前，粗粒料的抗剪强度与变形特性表达式是在砂土特性研究基础上修改而得到的。
So far, the formulae of shear strength and deformation behaviors about coarse-grained materials are obtained from modification of constitutive models of sand.
目前，粗粒料的抗剪强度与变形特性表达式是在砂土特性研究基础上修改而得到的。
So far, the formulae of shear strength and deformation behaviors about coarse-grained materials are obtained from modification of constitutive models of sand.
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