damage mechanics短语¹⁴⁴⁹⁷²⁺² 基本例句 损伤力学 The strain gradient enhanced damage model based on strain gradient theory and continuum damage mechanics is established and applied to forecasting the localized damage in rock material. 本文提出基于应变梯度的损伤模型，并用于材料局部化损伤模拟预测中。 cnki