concave

concave

美 [kɑnˈkeɪv] 　英 [ˈkɒnkeɪv]

• n.凹
• adj.凹的；凹面的
• v.把…弄成凹(面)
• 网络凸；凹形；凹曲线

反义词

英汉双解

英汉解释

英英解释

例句

the top of the plastic hat is provided with a ball-shaped concave position, where a press plate and a forcing screw are installed in.

塑制帽的顶部塑有球形凹进处、并可安装压板和压紧螺钉。

The head has a well-developed but compaction of the sarcoma, eyes and mouth within a concave in the sarcoma.

头部有着发达而又紧实的肉瘤，眼睛和嘴凹在肉瘤内。

Take out a piece of A in A letters along the diagonal nail row, by a concave-convex feeling.

拿出一张A在A的字母上顺着斜线用指甲一划，就由凹凸感了。

The time of purchase can be overturned bottom of the pot, pan with your fingers to withstand concave center, with a hard object percussion.

在购买时可以推翻底部的锅，锅用手指承受凹中心，用硬物敲击。

It may be flat, concave, and convex or any one of a great variety of shapes to promote turbulence or help control combustion.

其表面可能为平面、凹面、凸面或任何一种形状，其能促进气缸内涡流运动或有助控制燃烧。

At least one loop of absorption blind hole is evenly distributed around the segmental concave cavity along the radial direction of plane.

径向面上沿圆缺凹腔周围均匀分布不少于一圈的吸收盲孔；

typing, curling, concave design make brush head keep closer to eyes and make it easy to apply mascara onto tiny eyelashes on eye corner.

强效定型，卷翘，凹面刷头更加贴合眼部轮廓，更易于眼角细小睫毛的涂抹；

The bottom of the body designed no concave nest. So have lower flowing resistance and prevent valves leakage or damage from trash pipe up.

阀体底部设计无凹槽，球阀因此具有流阻小，阀体防止污物堆积造成阀门渗漏或损坏等特点。

A percussion instrument consisting of a concave brass plate that makes a loud clashing tone when hit with a drumstick or when used in pairs.

钹一种打击乐器，由一个凹铜片构成，当用单个或者双个鼓槌敲击时，可发出高的撞击声

In this paper, we investigate the natural boundary element method for an anisotropic problem in an infinite domain with a concave angle.

本文研究无穷凹角区域上一类各向异性问题的自然边界元法。

and a concave portion provided on a lower surface of the hood ridge at a location close to the suspension support member.

以及凹部，其设置在所述隆起罩的位于靠近所述悬架支撑构件的位置处的下表面上。

The invention provides a method with a concave lens focus as a welding heat source and a welding device thereof.

本发明提供一种以凸透镜焦点为焊接热源的方法及其焊接装置。

First, the team placed two concave mirrors 1 micrometre apart, and filled the lens-shaped cavity between them with a red liquid dye.

首先，实验小组放置了两面相距一微米的凹镜并向其间透镜状的中空部分填充一种红色液体染料。

The velocity, acceleration and time of a particle sliding down along a horizontally free concave surface are discussed.

对于一个质点从可自由移动的光滑的凹曲面上滑下的速度、加速度和时间作了一般性讨论，建立了相应的公式。

The lower end surfaces of the supporting parts are provided with a plurality of hollow grooves which are arranged in a concave way.

该支撑部的下部端面上设有若干凹设的透空槽。

this function is a concave nonlinear function, which decreases faster at the beginning than in the last stage.

这一函数是非线性的凹函数，它起初的下降趋势比在最后阶段更加急剧。

The utility model discloses a health-care blanket, comprising a concave surface and a convex surface arranged at intervals in a lump shape.

本实用新型公开了一种保健毯，包括凹面和凸面，凹面和凸面呈方块状间隔排列设置。

Results A great deal erythrocytes with inequality electron density were atypically like concave disk in natural solidification group.

结果自然凝固组大量红细胞表现为非典型双凹圆盘状，电子密度不均；

A concave part is positioned in the center at the bottom of the teapot so as to save energy and settle water scale.

壶底的中央是凹陷部分也能帮助节能和水垢沉淀。

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。

This method can also be applied to significantly increasing the machining efficiency of the root area of a concave or a convex surface.

该方法可广泛应用于利用环面刀具高效加工复杂型腔底部或凸台底部边缘工艺中。

and a lock body, a pin is inserted into a concave channel on the connecting rod.

和一锁体，其中该联结杆上设有的一销插设于该锁上的一凹槽中。

By numerical simulation of a six-tooth rectangle spline, the optimized half-angle of the concave die can be got.

结合六齿矩形花键轴实际成形情况进行模拟计算，获得了入模半锥角的较佳取值范围。

and the terahertz wave detector is positioned on the light path behind the concave mirror and is used for receiving scanning signals.

太赫兹波探测器，位于凹面镜后的光路上，接收扫描信号。

The water tank is fitted with an explosive that, when detonated, shoots the water through a small concave opening.

水罐装有爆炸物，在引爆时通过一个小的凹形开口喷射出水来。

In an embodiment, the system comprises a closed or concave outer wall about a closed or concave inner wall.

在一个实施方式中，该系统包括位于封闭或凹形的内壁周围的封闭或凹形的外壁。

A grizzly has more of a shoulder hump, and a more concave face profile.

灰熊背上的隆起更多，脸也更凹一些；

and a fifth lens with a negative power, including a concave surface facing the image side.

以及第五透镜，具有负的折射力且使凹面朝向像侧。

The convex or at least not concave shank contour ( 17 ) merges continuously with the likewise convex contour of the needle cheek ( 7 ).

该凸起或该至少非凹入的针杆轮廓（17）连续变化地并入同样的针槽壁（7）的凸起轮廓。

A joint, such as the elbow, in which a convex part of one bone fits into a concave part of another, allowing motion in only one plane.

屈戌关节，绞链关节：屈戌关节（如肘），一块骨的凸出部分与另一块骨的凹进部分吻合，可以允许在一个水平面中运动。

A concave bend of a handrail where a sharp change in level or direction occurs , as at a stair landing .

弯子栏杆的凹弯，此处有急骤的高度或方向变化，如在。

Temple of Hera before the concave mirror on the sun shining, it's a signal this will be a successful ignition ceremony.

赫拉神庙前的凹面镜上，阳光耀眼，预示着这将是一个圆满的点火仪式。

and the steam rack and the steam layer form a concave space for placing a stewing pot, a yoghurt cup or other foods.

蒸架和蒸层共同构成一可以放置炖盅、酸奶杯或者其它食物的内凹空间。

Just AS a double convex lens enlarges, so a double concave lens reduces.

正象双凸透镜可以放大那样，双凹透镜也可以缩小。

Resonator cavity of thin disk laser is designed, using plane-concave cavity to make it work stably and obtain large fundamental mode volume.

对薄片激光器的谐振腔进行了设计，采用平凹腔的结构，并使其在稳区工作并有较大的基模体积。

The line of intersection, inward concave and shallow area of curved surface are the difficult points in curved surface machining.

曲面交线、面内凹区域及曲面中浅平面的加工是曲面加工中的难点。

Observers judged the magnitude of a concave dihedral angle translating or rotating against a planar background.

观察判断的幅度凹二面角翻译或对平面旋转背景。

The luminous diode is arranged at the top of the projection, and situated at the focal point of the concave cup structure.

以及发光二极管设置于该支撑底座的顶端，并且该发光二极管位于该凹杯结构的焦点。

The vase is actually made of two parabolic concave mirrors .

花瓶其实是由两个抛物面凹镜组成。

A molding for a cornice, having a partly concave and partly convex curve in profile, used especially in classical architecture.

反曲线饰纵断面部分为凹线，部分为凸形的檐口的线脚，尤用在古典建筑中