Every solid object will refect a sound , varying according to the size and nature of the object 每种实心物体都会反射声音，并且根据物体的大小和性质而不同。
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“ the schoo ' s intention is to provide participants with the opportunity to criticay refect upon current issues in management knowedge , and to augment their own understanding and professiona practice 学院的目的就是要为学员们提供对现阶段管理知识进行批评性思考研究的机会，从而扩大他们自身对管理知识的理解及专业应用
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In order to fully refect the geo - tech basic mechanics behaviors and to rationally explain the strain localization , this paper establishes the theory framework of gradient - dependent plastic model based on the theory framework of gradient - dependent plastic mechanics and in considering the plastic strain ' s gradient - dependence in double yield function , offers a kind of possible concrete pattern of the generalized plastic gradient model and analyzes each parameter of the model , particularly with the physical sense of " localized parameters " and the elements producing possible effect upon the model 为了较全面地反映岩土的基本力学性质，同时合理解释应变局部化现象，本文基于广义塑性力学的理论框架，在双重屈服函数中考虑了塑性应变的梯度依赖，建立了广义塑性梯度模型的理论框架，并给出了广义塑性梯度模型的一种可能的具体形式，分析了该模型的各个模型参数，尤其是其中的“局部化参数”的物理意义和可能对其产生影响的因素。
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