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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

      • 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 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。
      • 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。
      • Using geometric method, a rational interpolation within convex polygons is constructed and extended to include side nodes.
        构造出凸多边形上的一个新型有理插值,并将其推广到含有边节点的情况。
      • 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。
      • 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。
      • 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。
      • 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。
      • An integral property of the convex function is generalized, and the some integral inequalities of the convex function are given.
        给出了凸函数的一个积分性质的推广,并由此得到了凸函数的几个积分不等式。