字1 字21 字41 字61 字81 字101 成语1 成语21 成语41 成语61 成语81 成语101 词语1 词语101 词语201 词语301 词语401 词语501 词语601 单词1 单词21 单词41 单词61 单词81 单词101 诗词1 诗词101 诗词201 诗词301 诗词401 诗词501 诗词601 诗人1 诗人21 诗人41 诗人61 诗人81 诗人101 名句1 名句21 名句41 名句61 名句81 名句101 近反义词1 近反义词21 近反义词41 近反义词61 近反义词81 近反义词101 造句1 造句101 造句201 造句301 造句401 造句501 造句601 字笔顺1 字笔顺21 字笔顺41 字笔顺61 字笔顺81 字笔顺101 歇后语1 谜语1 谜语11 谜语21 文言文1 文言文2 文言文3 百家姓1 百家姓2 百家姓3
单词大全
单词
当前位置:首页单词大全 concave
concave
英['kɒn'keɪv] 美['kɒnkeɪv]
单词基本解释
adj.凹的 n.凹面;凹线;凹形

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
Adjective:
  1. curving inward

词典解释

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

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

网络解释

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.

例句
词汇搭配
例句
a concave lens'/mirror

凹透镜;凹镜

...a concave stomach.

凹陷的腹部

...the concave bottom of an empty hair spray container.

空喷发胶罐凹进去的罐底

The mirror is concave.

镜子呈凹面.

A concave shape micromachined variable capacitor was presented which has high Q and wide tuning ranges.

提出了一种高Q值、宽调节范围的凹型结构微机械可变电容.

concave polygons have to be divided into several convex polygons, and are convex polygon clipping algorithms.

解决了大多数算法将凹多边形裁剪分解为凸多边形处理存在计算时间长、难度大等问题.

Having greater curvature on the concave side than on the convex side . Used of a lens.

凹凸的凹面曲率大于凸面曲率的.

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.

The hood and front mask theme is characterised by offset surfaces and concave and convex volumes.

引擎盖和前脸主题以偏移曲面和凹凸雕琢效果为特征.

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.

Therefore, although the font is small, but very deep concave, but very clear.

所以字体虽然小, 但是凹得很深, 而且非常清晰.

Stretch manner has different influences on concave boundary and convex boundary of model.

伸展方式对于凹形边界和凸形边界具有不同的影响.

The concave grating on the film of PPTA is prepared by the double beam interference illumination.

利用PPTA薄膜在紫外光照下可硬化的特点,在薄膜上制备光栅进行研究并通过双光束干涉曝光法,制备了凹面光栅.

Dial: Black or white Museum dial. Silvertone dauphine hands and concave dot at 12 o'clock.

表盘: 黑色或白色博物馆珍藏型表盘,银色皇太子指针,12时位置为经典的“太阳”凹点设计.

The first part is the cavity, which gives a concave part its external shape.

第一部分是腔,从外形上看, 它提供了一个凹的形状.

Composite roller surface is longitudinal streak, concave band noise.

复合辊表面有纵向条痕 、 凹纹.

The palm of one's hand is slightly concave.

人的手掌是微凹的.

Objectives To explore the feasibility and rationality of body temperature detecting in upper concave of clavicle.

目的探讨锁骨上窝测温的科学性与可行性.

Aim To explore the relation the focal shape and the designed parameters of concave focusing transducer.

目的揭示凹球壳形聚焦换能器焦域形态及其设计参数之间的关系.

The room had white concave walls, and Kurt's eyes had a hard time focusing.

房间的白色墙壁是向里凹进去的, 库尔特的眼睛一时间难以聚焦.

The designs of conical annular structure and concave spherical structure are first pioneered. 2.

其中锥环形和凹球形结构设计属于首次研究.

The next wave would lift those objects up to its steep concave slope.

跟着涌来的浪头又把这些物品举到了那高高的浪峰上.

近义词
反义词
临近词

相关推荐

Top