详细释义
Adjective:
-
curving inward
双语例句
- 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
- 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。 - 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。
用作形容词 (adj.)
用作名词 (n.)
用法讲解
- concavo-concave 两凹的
- convexo-concave 半凸半凹面的...
- plano-concave 平凹的
- concave joint 凹缝
- concave edge 凹边,凹面
- concave mirror [物]凹透镜
- concave bottom 凹板分组,凹底...
- concave bit 凹形凿,凹形钻头...
- concave curve 凹曲线
- concave tile 凹瓦
- concave slope 凹坡
- concave curvature 凹曲度
- concave bank 冲刷河岸,凹岸...
- concave surface 凹面
- concave plane 凹底刨,凹平面...
- concave grating 凹光栅
- concave weld 凹焊缝,轻型焊,凹面...
- concave saw 凹面锯,蝶式圆锯...
- concave cutter 凹半圆成形铣刀,凹半...
- concave lens 凹透镜
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