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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 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。
      • 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。
      • Finally, optimality necessary and sufficient conditions for nonlinear convex semidefinite programming are proved.
        并给出了非线性半定规划的最优性必要和充分条件。
      • Convex sets and functions have many interesting and useful properties which are not explored in detail here.
        凸集和凸函数具有很多重要的和有用的性质,在此不作详细讨论。
      • Abstract An improved image recognition and registration algorithm based on convex hull and affine invariant was presented.
        提出了一种新的基于凸壳和仿射不变量的图像识别和配准的方法。
      • 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。
      • 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。
      • 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 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。
      • A plane with a flexible face that can plane concave or convex surfaces.
        有可以刨凹面或凸面的曲面的刨子。