convex
英 [ˈkɒnveks]
美 [ˈkɑːnveks]
adj. 凸出的; 凸面的
BNC.16763 / COCA.23277
牛津词典
adj.
- 凸出的；凸面的
curving out- a convex lens/mirror
凸透镜；凸镜
- a convex lens/mirror
柯林斯词典
- ADJ-GRADED 凸起的;凸面的
Convexis used to describe something that curves outwards in the middle.- ...the large convex mirror above the fireplace.
壁炉上方的大凸面镜
- ...the large convex mirror above the fireplace.
英英释义
adj
- curving or bulging outward
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。 - 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 convex surfaces face toward the left.
凸面朝左方。 - 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。 - 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。 - 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。 - 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 is useful in many branches of mathematics analysis through the research of concave and convex functions.
对函数凹凸性的研究，在数学分析的多个分支都有用处。 - 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。 - 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。