本文介绍了开关型直流变换器的非线性离散时域模型的建立及其机辅分析方法。
In this paper, a nonlinear discrete time domain modeling and computer aided analysis technique is presented for Switched DC-DC Converters.
在分析岩体变形特点和常用流变模型变形特性的基础上，提出与应力状态和时间相关的非线性黏性体。
On the basis of analyzing the characteristics of rock mass deformation and general rheological models, a new non linear viscous substance which is related to stress state and time is presented.
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