本文引用系统主回路分析的新方法—回路增益弹性法对大信号下反馈放大电路的行为特性进行讨论，并通过分析一个二阶反馈放大电路给出一般分析方法和步骤。
In this paper, A new method of system main loop analysis is quoted to analyse the behaviour characteristic of feedback amplifier with large signal, A ordinary analysis method and steps are given.
分析和研究地应力弹性二阶张量场的可视化技术。
The visualization techniques of 3D tensor field in geostress were analyzed and studied.
分析和研究地应力弹性二阶张量场的可视化技术。
The visualization techniques of 3D tensor field in geostress were analyzed and studied.
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