本文介绍了线性定常系统稳定性几何判据的原理及其计算机作图的实现。
This paper introduces the principle of geometric justification of stability in a linear ordinary system and realization of computer graphing.
对此作图的方法之一是研究婴儿的面部（在计算机上）。
One way to chart this is to play around with faces of babies [on the computer].
对此作图的方法之一是研究婴儿的面部(在计算机上)。你可以扩大脑门并减小下巴。
One way to chart this is to play around with faces of babies [on the computer]. You can expand the forehead and reduce the size of the chin.
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