concave是什么意思_concave怎么读_中英文释义(含例句用法)

concave (adj.): early 15c., from Old French concave (14c.) or directly from Latin concavus "hollow, arched, vaulted, curved," from com-, intensive prefix (see com-), + cavus "hollow" (see cave (n.)).

词态变化

权威造句

1. The palm of one"s hand is slightly concave.: 人的手掌是微凹的.

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.

3. The cloven hooves are sharp edged , elastic and concave.: 蹄锋利,呈凹形, 富有弹性.

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.

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.

近反义词

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

相似短语

auger concave 螺旋输送器底壳

concave bar 凹板板条

concave barrel 凹形辊身

concave beater 逐稿轮

concave collector 凹形接电器

concave curve 凹曲线

concave rim 凹形轮辋

concave roll 凹面辊，凹面轧辊

concave veins 凹脉

concave wiring 暗线

单词分析

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记忆方法

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concave是什么意思，concave怎么读

concave基本信息

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