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

• For convenience of the reader, pertinent results from linear algebra and convex analysis are summarized in Chapter two.
  为方便读者，在第二章中总结了相关的线性代数和凸分析知识。
• The Optimal Approximation of Matrices on Some Closed Convex Cone; relating to or resembling a cone.
  矩阵在闭凸锥上的最佳逼近（英文）与锥体有关或类似于锥形。
• 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。
• The problem of robust stability analysis for convex polytopic uncertain discrete-time systems with multiple-state delays is investigated.
  研究了具有多重状态时滞的凸多面体不确定离散系统的鲁棒稳定性分析问题。
• Concave on one side and convex on the other with the concavity being greater than the convexity.
  一边凹一边凸，而且凹度比凸度大。
• It is useful in many branches of mathematics analysis through the research of concave and convex functions.
  对函数凹凸性的研究，在数学分析的多个分支都有用处。
• 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。
• 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。
• Alternative characterization of concave and convex functions which is sometimes useful.
  对于凹函数和凸函数还有一个替补的表征，有时它是有用的。
• 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。