According to the process for the production of convex-concave ends local fracture, optimization is proposed.
本文针对生产过程中出现的凸凹端头局部断裂问题，提出优化方案。
Because there is no abrasion between the concave and convex, the nut is reusable.
由于凹面与凸面之间没有磨损，螺母可以重复使用。
Water surges from the cells on the inside of the leaf to those on the outside, causing the leaf to rapidly flip in shape from convex to concave, like a soft contact lens.
水从叶子内部的细胞涌向外面的细胞，导致叶子迅速地从凸向凹翻转，就像一片柔软的隐形眼镜。
Belt cupping, also called dishing, is characterized by an unintentional transversal concave or convex belt dishing over the whole belt width.
腰带拔罐，也被称为凹陷，特点是由无意的横向凹或凸的皮带在整个皮带宽度抛出。
The curved upper surface of a nonturbulent liquid in a container that is concave if the liquid wets the container walls and convex if it does not.
弯月面容器中之静止液体的弯曲上表面，如果液体浸润了容器壁，那么弯曲面呈凹状；如果没有，就呈凸状。
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。
The number of GM decreased as the slope exposure turned from N to S, as slope increased, and as slope shape turned from convex to concave.
GM平均胸径还与坡位正相关； GM数量沿N→S的坡向梯度减少，而随坡度增大及坡形由凹转凸而增加；
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。
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。
The special meshing of convex and concave teeth profile makes the relative radius of curvature of the contacting point longer.
独特的凸凹啮合齿廓，使两齿轮在接触点处的综合曲率半径较大。
Indicates concave, convex or flush welds. Increase height to fit above other weld symbol.
指示凹焊缝、凸焊缝或平焊。增加高度以配合其他焊接符号。
Various lines and shapes show planes of light reflections to the viewer. Convex and concave areas make for exciting shapes. Realistic design should look like a natural object.
各个线条及面对观察者显示多个反光面，凹面或凸面用于令人激动的形状，应该象个自然物体。
In general, an industrial component may have both convex and concave portions as part of its boundary.
一般来说，工业组件可能有个凸，凹这两部分的一部分，它的边界。
Then experiments on springback in concave and convex edge flanging are carried out, significance of factors and their interactions are studied with statistics approach.
然后开展了凸、凹弧翻边的回弹试验，通过对试验数据的统计分析，得出了各因素及交互作用对回弹量的影响大小。
Objective: to observe the effect of concave and convex on growing and the refractive developing of guinea pig eyes and to establish lens-induced animal model of myopia or hyperopia.
目的：观察凹透镜和凸透镜对豚鼠眼球生长和屈光变化的影响，建立透镜诱导型屈光不正动物模型。
Radial spherical plain bearings have an inner ring with a sphered convex outside diameter and an outer ring with a correspondingly sphered but concave inside surface.
径向球面滑动轴承由一个具有凸球形外表面的内圈和一个具有相应凹球形内表面的外圈组成。
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。
The isotherm was devided into three different sections, at low pressure it is concave, at high pressure it is convex and the middle section it is nearly linear.
得到的吸附等温线分为三个不同区域：低压区等温线对压力轴呈凹形，高压区呈凸形，中间部分近似为直线。
Linear error curve can be concave curve, it could be a convex curve.
线性误差曲线可以是凹形曲线，也可以是凸形曲线。
To gain sevrial decision method of convex (concave) function by the definition of convex(concave) function and Taylor formula.
利用凸（凹）函数的定义和泰勒公式给出了凸（凹）函数的几个判别法。
Stretch manner has different influences on concave boundary and convex boundary of a model.
伸展方式对于凹形边界和凸形边界具有不同的影响。
The applications of gray scale mask technique in the fabrication of convex and concave microlens and hybrid refraction diffraction microlens are discussed.
讨论了制作适用于近场集成光学头中的凸形、凹形微透镜和折衍射复合微透镜的灰度掩模技术。
The processing methods of compound punching die convex die concave die and die of convex and concave for silicon steel piece cemented carbide are provided.
介绍了硅钢片硬质合金复合冲模与凸模、凹模、凸凹模等的制造方法。
It may be flat, concave, and convex or any one of a great variety of shapes to promote turbulence or help control combustion.
活塞顶部可以做成平的、凹的、凸的或是能够促进涡流帮助燃烧的任何形状。
We fabricated a large computer-generated holography on a concave lens surface to test the convex secondary mirrors surface.
在凹透镜表面上制作出了用于凸非球面检测的曲面全息图。
It can be applied to irregular polygons whether convex or concave. Furthermore, it is not necessary to carry out overlapping test.
方法适用于任意凸的或凹的不规则多边形，不需要进行多边形的重叠测试。
Also introduced the measure of prevent the convex and concave die cracking in course of pressing.
优化了模具结构，同时也介绍了在冲压过程中凸、凹模易开裂采取的措施和方法。
There are convex function and concave function, Which are of expansive application in many aspects, especially in inequality proof and error estimate.
凸(凹)函数有很多特性，这些性质可广泛应用于不等式的证明及误差估计等方面。
There are convex function and concave function, Which are of expansive application in many aspects, especially in inequality proof and error estimate.
凸(凹)函数有很多特性，这些性质可广泛应用于不等式的证明及误差估计等方面。
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