所述的上中间辊与下中间辊的辊面部位对称制作设有一定的锥度。
The surface portions of the upper middle roller and the lower middle roller are symmetrically fabricated to form a certain conical degree.
手工艺品没有形状，也不对称，制作无方，质量低劣。
In its handicrafts there is no form or symmetry, method or quality.
平称对称可用来制作各种图案，例如平铺的网站背景和重复的设计元素。
Translational symmetry can be used to create patterns, such as in the case of tiled website backgrounds and repeating design elements.
介绍了以封头对称轴为中心沿径向设置立筋制作瓜瓣封头压制模具的过程。
The method of establishing radial support steel bars based on the symmetry axis of heads to manufacture the melon petal dies was presented.
此方法减小了相位离散值引起的量子化噪音，它适用于制作一切球面和非球面的具有旋转轴对称的相息图。
The method reduces the noise caused by discrete phase on reconstructing imago. This method can apply to either spherical or aspherical kind of Kinoform with axial rotating symmetry.
提出了制作透镜电极时保持轴对称、特别是限制光栏必须位于透镜光轴上的必要性。
The necessity of the lens electrode coaxality especially the coaxality of the aperture with lens axis is emphasized.
采用选择区域生长、量子阱混杂和非对称双波导技术制作了电吸收调制器与半导体光放大器和双波导模斑转换器的单片集成器件。
On the basis of the study of the single circular groove guide and symmetric double circular groove guide, a new structure, asymmetric double circular groove guide, has been put forward.
该手工制作的对称叶片短，比原来的余碳叶片。
The hand-made symmetrical blades are shorter than the original MS carbon blades.
目的：建立一套简单实用的面部不对称畸形计算机化三维测量和实体模型制作手术预测分析系统。
AIM: to develop an individual surgical predication system which is economic and utility, special to maxillofacial asymmetric deformities in 3-dimensional measurement and model-making.
其特点是采用非对称电极结构加强锥形区和强耦合区的电极控制作用，从而提高开关的性能。
By using asymmetrical electrode, the control effect in the coned-shaped and strongly coupling region is enhanced, as a result, the performance of the switch has been improved.
其特点是采用非对称电极结构加强锥形区和强耦合区的电极控制作用，从而提高开关的性能。
By using asymmetrical electrode, the control effect in the coned-shaped and strongly coupling region is enhanced, as a result, the performance of the switch has been improved.
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