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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

      • 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。
      • 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。
      • For some special cases, the deterministic convex optimization problems are derived.
        对某些特殊的情形,我们导出了鲁棒线性最优化的确定性等价问题。
      • MOSEK provides specialized solvers for linear programming, mixed integer programming and many types of nonlinear convex optimization problems.
        MOSEK提供了特定解决线性编程、混合整数编程以及其他非线性转换优化问题。
      • That is multi-direction extreme value approximate convex hull algorithm, and is called MDEV for short.
        提出并实现了平面点集凸壳的一种新的近似算法&多方向极值法。
      • 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。
      • 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。
      • 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。
      • 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。