convex

英 [ˈkɒnveks]

美 [ˈkɑːnveks]

adj.  凸出的; 凸面的

TOEFLGRETEM4TEM8

BNC.16763 / COCA.23277

牛津词典

adj.

• 凸出的；凸面的
  curving out
  1. a convex lens/mirror
     凸透镜；凸镜

柯林斯词典

• ADJ-GRADED 凸起的;凸面的
  Convexis used to describe something that curves outwards in the middle.
  1. ...the large convex mirror above the fireplace.
     壁炉上方的大凸面镜

英英释义

adj

• curving or bulging outward
  Synonym:bulging

双语例句

• The convex plate consists of a cylinder and a cone.
  所述的凸台由圆柱体和圆锥体两部分组成。
• The model solved a convex quadratic programming similar to standard support vector machine algorithm.
  更新模型是求解一个与标准支持向量机具有类似的数学形式的凸二次规划问题。
• The formula is given for? calculating? generalized directional derivative by using the directional derivative of convex functions.
  给出了用凸函数方向导数计算广义方向导数的公式。
• In this paper the definition of semi-linear topological space and locally convex semi-linear topological space is given.
  本文定义了半线性拓扑空间及局部凸半线性拓扑空间，研究了这些空间的性质。
• The convex surfaces face toward the left.
  凸面朝左方。
• This paper uses the method of establishing the convex envelope, giving a proof in Partial Differential Equation.
  本文利用构造凸包络的方法，给出了该定理偏微分上的证明。
• It was proved that, when the objective function was uniformly convex, this algorithm possessed superlinear convergence.
  证明该算法在目标函数为一致凸时具有局部超线性收敛性。
• Lastly, it presents a necessary condition for local uniform convex point.
  最后给出了局部一致凸点的一个必要条件。
• Because there is no abrasion between the concave and convex, the nut is reusable.
  因为凹面与凸面没有磨损，螺母可以重复使用。
• The inferior and lateral convex border of the stomach is the greater curvature.
  胃的下方及侧面凸缘是胃大弯。