等效板厚法可用于初步设计时选型、初算，而非线性接触方法可用于最终计算及指导模型试验。
The equivalent plate thickness method can be used in choosing type and rough calculating in primary design. The nonlinear contact method can be used in final calculating and guiding model test.
本文研究了具有非线性接触率和易感类中具有种群动力学的SIS传染病模型的正不变集、平衡位置以及平衡位置的稳定性。
In this paper, we have studied a SIS epidemiological model with a nonlinear incidence rate and population dynamics in susceptible class.
对矿用汽车制动器主要部件进行了计算机辅助工程分析(CAE)，包括：结构静力学分析、非线性接触分析、模态分析、瞬态动力学分析等。
CAE is conducted on main parts of a mining truck brake, which includes structural static analysis, non-linear contact analysis, modal analysis and transient dynamic analysis.
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