记作业>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

      • 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。
      • 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。
      • 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。
      • 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 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。
      • 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。
      • 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。
      • 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 relationship between the epi-sum regularity condition and the strong CHIP in locally convex spaces is discussed.
        在局部凸拓扑向量空间上讨论凸集的上图和正则条件与强锥包相交性之间的关系。
      • 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。