In this paper, the uncertainty analysis and design problems for structural and multidisciplinary system were investigated in detail base on a non-probabilistic approach that is convex model theory.

本文基于不确定参量的凸集合描述，研究了结构和多学科系统的不确定性分析与考虑不确定因素的优化设计问题。

youdao

The hinge has a central portion (50) with a convex outer surface, with the lid closed and as viewed in side elevation, that blends with a smooth curvature into outer surfaces of the lid and the base.

所述铰链具有中心部分（50），在盖闭合时并且从侧面正视图观 察时中心部分（50）具有凸的外表面，所述凸的外表面以平滑曲率融 入所述盖和所述基体的外表面。

youdao

On the base, it also put forward the suggestion to correct the convex Angle size of preshaving hob cutter.

在此基础上，提出了剃前滚刀凸角尺寸修改的建议。

youdao

The potentially iconic clear plastic at the base of the unit, the convex back, and the packed feeling of that handset has been lost to a more masculine beast of a phone.

FORBES: Sony's Xperia T Is A Muscular Monster Of A Smartphone