根据气体流动方程，通过线性化和拉氏变换，建立各单元的动态数学模型。
Based on the gas flowing equation, each unit dynamic mathematical model was established using linearization and Laplace transform.
提出了含蒸发潜热能量交换项的地表单元能量热平衡方程，并采取了温度线性化的处理。
The heat balance equation of an element of ground surface including the term of latent heat exchange was presented.
这种控制条件可由线性化折线型本构关系表征，其本构关系是广义的，包括弹性、塑性、接触及其组合单元。
The conditions can be characterized by "polygonal" constitutive laws which influence behaviour of materials, such as elastic, elasto-plastic, contact problems and their combinations.
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