主应力迹线是代表主应力方向的曲线簇。
The principal stress traces represent the directions of principal stresses inside an object.
作者提出一种新的主应力迹线自动的绘制方法。
In this paper is presented an automatic way of drawing the lines.
研究了一种简便快速的主应力迹线自动化绘制方法。
To answer this question, we need to plot trajectories of principal stresses.
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