英语单词分类 轻松记单词

更新时间:2024-12-16 10:47:25

concave

基本词汇

英 [kɒnˈkeɪv]

美 [kɑ:nˈkeɪv]

adj.凹的

n.凹面;凹线;凹形

Created with Highcharts 10.0.0释义常用度
凹面
凹形
凹的
凹线

副词: concavely 名词: concaveness 过去式: concaved 过去分词: concaved 现在分词: concaving 第三人称单数: concaves

  • 英英释义

  • 词典解释

  • 网络解释

adj

1. curving inward

1. 凹的;凹面的
A surface that is concave curves inwards in the middle.

e.g. ...a concave stomach.
凹陷的腹部
e.g. ...the concave bottom of an empty hair spray container.
空喷发胶罐凹进去的罐底

1. 凹:此为一般待焊板无铅回焊所常用的有鞍型回焊曲线,各热量差异较小.此 L 型曲线以直线式或稍呈下凹(Concave)为宜,不可出现隆起(Convex)状态,以免板 面过热造成厚板之表层起泡.且此升温线的 2/3 长度处不宜超过 150℃,其余参数同上 29.

2. 凹的:微观经济理论认为,当企业的生产投入集是闭的(closed),单调的(monotonic)且满足自由处置(free disposal)等条件时,如果生产函数关于产量是凹的(concave),那么其对应的成本函数关于产量就是凸的(convex ).

3. 凹形:convex 凸面 向外弯曲.凸面镜是一面镜子,它的反射面是由球或抛物体的外表面 形成的.凸面透镜至少有一面由球的外表面形成.双凸透镜有两个凸面, 故其中心最厚.平凸透镜有一平面和一凸面.凸凹透镜(亦称弯月形透镜) 有一凸面和一凹形(concave)面.

相关列句
Concave Cuts: Tips and techniques for adding sharpening to concave details under subdivision.(凹切:用于在细分下向凹形细节添加锐化的提示和技巧。)
Was dark red apples, go on top of a concave hole.(莲雾呈深红色的,顶上有一个凹下去的小孔。)
By extracting water from the detector's chamber, the detector's surface becomes a concave hemisphere.(通过从探测器的舱室中提取水分,探测器表面形成一个凹半球。)
The name contains the shape: a hoh is a ridge that rises to a point and has a concave end.(这种形状其实已经包含在小镇的名字当中:hoh指的就是这样形状的山脊——一边陡,一边缓,缓那边在最低处成凹状。)
Stop: slightly defined, as a transition from the convex skull region to the slightly concave foreface.(停止:轻微的定义,作为一个地区过渡到凸头骨稍凹脸。)
At the core of Wright's system was a standardized 4x12x24-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。)
Since this is a concave function, it's not just the expected value.(由于这是一个凹函数,它不仅仅是期望值。)
When water is pumped out of a chamber below the plate creating negative pressure, the stretchable sensors are pulled down, producing a concave shape.(当水从板下的一个腔中被抽出来产生负压时,可伸缩的传感器被向下拉,形成一个凹形。)
This blade has a gentle, sloping convex curve to the point versus the concave curve of the clip blade.(相对于回形刀刃的凹曲线而言,这种刀刃具有一条延伸到刀尖的、温和的凸斜率曲线。)
By extracting water from the detector's chamber, the detector surface becomes a concave hemisphere.(通过从检测器的舱室获取水分,检测器表面成为凹半球。)
concave是什么意思 concave在线翻译 concave什么意思 concave的意思 concave的翻译 concave的解释 concave的发音 concave的同义词
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