concave

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。