concave
英['kɒn'keɪv]
美['kɒnkeɪv]
IELTS GRE TOEFL
Adjective:
-
curving inward
- 1. The palm of one's hand is slightly concave.
- 人的手掌是微凹的.
来自《现代汉英综合大词典》
- 2. The graph of a concave function is always below its tangent.
- 一个凹函数的图象总在它的切线的下方.
来自辞典例句
- 3. The cloven hooves are sharp edged , elastic and concave.
- 蹄锋利,呈凹形, 富有弹性.
来自辞典例句
- 4. 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.
来自辞典例句
- 5. 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.
来自辞典例句
用作形容词 (adj.)
- The palm of one's hand is slightly concave.
人的手掌是微凹的。
- A cylinder is a hollow tube with a closed concave base that permits it to stand upright.
钢瓶是中空的管道，封闭的底部是凹入的，这样可以直立起来。
- His figure looks very funny in the concave mirror.
他的样子在凹镜里显得非常可笑。
用作名词 (n.)
- These are aberration-corrected holographic concave gratings.
下表所列为像差校正全息凹面光栅。
- The cloven hooves are sharp edged, elastic and concave.
蹄锋利，呈凹形，富有弹性。
- This article has described expanding method for repairing the concave retaining ring caused by the hydraulic bulging.
详细介绍了用扩冲法对液压胀形出现凹形的护环进行修复的方法。
