在塑性区，水平及垂直应力均是上凹的。
The horizontal and vertical stresses are concave upward in plastic zone.
本文介绍了求解凸集上凹函数最优解的一种分支定界方法。
A branch and bound methods is proposed for minimizing concave function over a convex.
当绝热剪切带的总厚度在上限时，绝热剪切带宽度-环境温度曲线是稍微上凹的；
At higher total ASB widths, the ASB width-ambient temperature curve is slightly concave-upward.
应用推荐