convex

单词convex

基本解释

n.: 凸面
adj.: 凸出的；凸面的
网络: 凸的；凹；凸起的

权威解释

• 凸出的；凸面的:

  curving out

英汉解释

• 叶片的背弧

• 凸线

• 凸形地带

• 凸状,凸面,凸圆体

• 凸;凸起的

• 中凸的,凸圆的,凸面的

词性分析

• 过去分词：convexed

• 现在分词：convexing

• 第三人称单数：convexes

同义词

adj.curvedarchedroundedbowedU-shaped

反义词

adj.concave

例句

• Take out a piece of A in A letters along the diagonal nail row, by a concave-convex feeling.

  拿出一张A在A的字母上顺着斜线用指甲一划，就由凹凸感了。

• It may be flat, concave, and convex or any one of a great variety of shapes to promote turbulence or help control combustion.

  其表面可能为平面、凹面、凸面或任何一种形状，其能促进气缸内涡流运动或有助控制燃烧。

• A convex lens can be used to concentrate the sun"s ray and thus burn a hole in a piece of paper.

  凸透镜可以用来聚集太阳光，将一张纸片烧穿一个洞。

• Some relationships among the support function and indicator function of a convex set and their second-order epi-derivatives are given.

  利用集合的表示函数、支撑函数、距离函数和投影等研究闭凸体的典范表示及点到边界的投影特征。

• Manufacturing cost of a turning operation is a nonlinear convex function of its processing time.

  制造成本的一个车削是一种非线性凸函数的处理时间。

• This setup, known as a conoscope, is shown in Figure 14. 2 and consists of two stress-free plano-convex lenses A and B.

  此装置称为锥光镜，如图14.2所示，它由A和B两个无应力平凸透镜组成。

• The places Passengers can reach are not allowed to have exposed sharp edges, burrs, monoceras and dangerous material, convex knife.

  乘客可触及之处检查不允许有外露的锐边、毛刺、尖角和危险凸刀出物。

• The utility model is characterized in that the middle position of the cover surface is provided with at least one convex part.

  其特征在于所述的罩面的中间部位设置至少一个突出部分。

• The equivalent conditions for a bounded closed convex set-valued mapping to be a perfect additive Set-valued measure are given.

  给出了有界闭凸集值映射是完全可加的集值测度的等价条件。

• A property of quadratic differential convex functions is proven and applications of it are given as well.

  证明了二次可微凸函数的一个性质，并给出了这个性质的一个应用。