We call this surface the stress quadric.

我们称这个曲面为应力二次曲面。

We call this surface the stress quadric .

我们称这个曲面为应力二次曲面。

Furthermore, the subdivision formula of the quadric C-curve is presented at its arbitrary point.

另外，还给出了二次C-曲线在任意一点的细分公式。

This paper proposed to use immune algorithm based on real-number-coding to extract quadric surface.

提出了基于实数编码免疫算法针对离散数据点进行二次曲面提取的方法。

It is very helpful to instinctively understand the morphology of the QSIC such a quadric pencil has.

它们对直观上理解两二次曲面交线的拓扑形态有非常重要的意义。