By analysis of the deformation curves, it is proposed that the deformation curve of the work piece can be expressed approximately by a 2-order polynomial curve.
通过对变形曲线的分析，提出用二次多项式曲线来近似工件的变形曲线。
Complete stress-deformation curves for concrete in tension were obtained from axial tension tests in which some of the specimens were tested under cyclic loading.
本文通过试件的中心受拉试验，测定了砼的受拉应力-变形全曲线。部分试件还进行了反复荷载试验。
The orthogonal polynomials approximated to shear-moment deformation curves were employed as the basic function to describe the displacement variation along the vertical.
采用一族能较好地逼近弯剪型变形曲线的正交多项式作基函数来描述位移沿竖向变化。
应用推荐