concave

英 [kɒnˈkeɪv]

美 [kɑːnˈkeɪv]

adj.  凹的; 凹面的
n.  凹面; 成凹形

复数：concaves　

TOEFLGRE医学

BNC.21027 / COCA.20157

牛津词典

adj.

• 凹的；凹面的
  curving in
  1. a concave lens/mirror
     凹透镜；凹镜

柯林斯词典

• ADJ-GRADED 凹的;凹面的
  A surface that isconcavecurves inwards in the middle.
  1. ...a concave stomach.
     凹陷的腹部
  2. ...the concave bottom of an empty hair spray container.
     空喷发胶罐凹进去的罐底

英英释义

adj

• curving inward

双语例句

• At the core of Wright's system was a standardized4x12x24-inch concrete or glass block with concave edges.
  Wright系统的核是一个标准化的4x12x24英寸的带凹面的混凝土或玻璃砖块。
• The lenses become more convex or concave, depending on whether the wearer is long-sighted or short-sighted.
  镜片可以根据佩带者的近视或远视情况变得更凸出或凹陷。
• His figure looks very funny in the concave mirror.
  他的样子在凹镜里显得非常可笑。
• 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。
• The experiment research on stability of ring-stiffened concave cone-toroid-cylinder combined shell is presented in this paper.
  文章对凹型加肋锥-环-柱结合壳稳定性进行了模型试验研究，观察到凹环壳段失稳的一个特殊现象。
• In adults its contour may be straight, slightly concave or slightly convex.
  成人肺其形状可以是直的，轻微凹下或轻度突出。
• Ensure that the snap ring and concave washer are seated correctly.
  确保卡环和凹面垫圈正确就位。
• 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 palm of one's hand is slightly concave.
  人的手掌是微凹的。
• 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。