52词语>英语词典>convex翻译和用法

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

      • 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。
      • 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。
      • 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。
      • 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。
      • Some known results on monotonicity of the arithmetic means of convex and concave functions are improved.
        改进了有关凹函数和凸函数的算术平均值单调性的某些已知结论。
      • 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。
      • Have analyzed and calculated the diffractive efficiency of the convex grating used in the hyper spectral imager.
        对超光谱成像仪使用的凸面光栅衍射效率进行了分析计算。
      • 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。
      • In this paper, a new methodology was proposed based on the connected convex curve searching and ellipse fitting.
        本文提出一种基于凸性连通分支搜索结合曲线拟合的多椭圆检测算法。
      • The convex surfaces face toward the left.
        凸面朝左方。