查询词典 symmetry

On the basis of analyzing and calculating transverse tooth profile for geometry, the symmetry line and tip arc of transverse tooth profile for a teeth of gear were defined and it also be drawed out.

由于渐开线圆柱齿轮的端面齿廓为渐开线，而且轮齿的厚度与齿轮的模数相关，所以用AutoCAD建立渐开线圆柱齿轮的三维模型十分困难。

The plate has a symmetry line, which extends from a first edge (202) to a second edge (203) of the plate and in relation to which the plate's heat transfer portion, sealing portions and ports to be passed by each of said fluids are symmetrically arranged.

该板具有对称线，该对称线从板的第一边缘(202)延伸到其第二边缘(203)，流过上述流体中各个流体的板的传热部分、密封部分和口部分相对于该对称线是对称配置的。

With the application of the symmetry of line and circularity,the speed of the generation of a whole compass screen is highly advanced.

利用直线对称性和圆的对称性，提高了全罗盘画面的生成速度。标签走样 Bresenham算法对称性 aliasing arithmetic of bresenham symmetry

Smooth curved arch of the main line, symmetry and light Fuzhao four small arch, as if the four giant Yuhuan, decorated in the fall of the deck.

弧形平坦的主拱线上，对称地轻伏着四个小拱，仿佛四个巨型玉环，装饰在桥身两肩。

The pixel amounts of the pixel lines can be forecasted,referring to the pixel amount of the first pixel line.Then,two pixel lines can be drawn through the symmetry of a line.

该算法利用直线的第一像素行的像素点数目来计算其余各像素行的像素点数目，一次可以预测一个像素行，再利用直线的对称性一次生成两个像素行。

The biggest advantages of this fashion is that when single-phasegrouded, three-phase line voltage symmetry was not damaged, so electricity userswill not be affected.

这种接地方式最大的优点是：当发生单相接地时，三相线电压的对称性没有被破坏，所以用户有电不受影响，可维持一定长的时间，这对电网结构比较薄弱，自动化水平比较低的配电网是至关重要的。

Based on Bresenham's algorithm,the thesis gives a fast technique for drawing anti-aliased straight line according to the symmetry of the straight line, dissertates the arithmetic of antialiasing the compass small character and offers the program of the compass picture.

本文基于Bresenham算法，依据直线的对称生成原理，提出了一种新的直线快速反走样技术，对罗盘字符的反走样算法做了进一步的论述，编制了全罗盘画面的程序。

Secondary stress field resulting from valley cutting is basically symmetric about the valley central line hut not of axial symmetry . From top to foot of valley wall , the tangent stress and the width of high tangent stress zone get gradually big , reaching maximum at the valley botton .

沟谷的下切形成的二次应力场除了关于沟谷中线基本对称外，不具备轴对称特征，从坡顶到坡角，切应力高值区内切应力量级和高值区的宽度逐渐增大，在沟谷正下方达到最大，甚至有可能突然增大。

In mixing, the long and short arms respectively mighty quickly equably mix different districts along a symmetry spiral line. The efficiency of the mixing systems above JS2000 increase 10% than others

搅拌过程中，长短搅拌臂沿对称螺旋线分别搅拌不同区域，强烈，迅速，匀质性好，尤其是JS2000以上机型的搅拌系统，较其他搅拌系统搅拌效率提高10

The symmetry of transmission errors curve can be achieved by changing the position of the reference point M on tooth surface.

通过调整参考点在齿高方向的位置能有效地调整传动误差曲线的对称性。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。