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The expression of cogging torque is deduced on dual-stator permanent magnet synchronous machine, and the influence rules of the resulting cogging torque are analyzed with the change of relative angle between dual stators. The relation between cogging torque amplitude and the relative angle between dual stators is investigated. Finally, simulation verification is conducted based on finite element method.

针对双定子永磁同步电机，推导了内外定子及其合成齿槽转矩的解析表达式，分析了内外定子相对位置变化对合成齿槽转矩的影响规律，着重研究了合成齿槽转矩幅值与内外定子相对位置的关系，最后用有限元方法进行了仿真验证。

In addition, spot color screen angle in software will normally be preset to 45 ° c (45-degree, is considered the most comfortable utilizinghuman-aware, so that the angle of the dot is arranged in horizontal and vertical lines to equal rotation, you can reduce the human ability to mesh point detection), if a Duotone image or data file into the existing business card printing and membership card making four color black%(General in the four-colour screen business card printing and membership card-making Black mesh point-and-drop, in a 45-degree is 0 degrees for yellow, magenta to 15 degrees, 75 degrees), and spot color, or with more than two spot colors, the color screen is to a 45-degree output, so use the spot color, while if it is possible with other screening to overprint colors, you must open the output color separation software color settings or the print dialog box, on the halftone angles to make modifications.

另外，专色的增网角量在软件洋凡是城市预撤为45量（45量均被觉得是人眼感知最安适的角量，让网不背摆列在与程量和垂直线不败不等角量的标的目的上可以裁减人眼差网不背的发现本领），若是一个单色调影像或是数据文件洋既有制卡和会员卡制息四色暗不败外（凡是在四色增网制卡和会员卡制息洋，不兵暗网不背不收在45量，黄为0量、品赤为15 量、青为75量），又有专色，或者是有两个以上专色，则在分色增网时城市以45量输入，所以在差专色搁置浅网时，如果有不定与其他增网颜色有叠印，则务必在分色输入时开放软件颜色撤定或打印撤定的差话框，差专色增网角量举动编削。

The article bases on the traditional graphical method,and applies design principle in the references[1],derives the optimizing design methods which under the condition of meeting the fixed slider stroke and the coefficient of variety of stroke velocity,makes the minimum transmission angle of the eccentric crank slider mechanism to maximum(that is the best transmission angle).

曲柄滑块机构在工程上应用十分广泛，传动角的大小是衡量机构传力性能好坏的一个重要指标。通常求解最佳传动角的方法是建立数学模型，在计算机上进行数值求解，本文在传统图解法的基础上，运用文献[1]中的设计原理，推导出在满足给定的滑块行程S和行程速度变化系数K的条件下，使传动

Because of the small-angle approximationof the parabolic system,we say the result of the elliptic system is relatively reliablein the interval of large ray angle.

由于抛物方程的小角度近似，我们认为在大掠射角区间内，椭圆方程的考察结果是比较可靠的。

The experimental results indicated that the light-induced MR molecular reorientation effect, the so-called twisted angle, caused by the adsorbed MR, decreased with increasing ellipticity of the elliptically polarized green light. Notably, zero pre-tilt angle of LC alignment was achieved in this experiment.

再利用不同光强度的圆偏振绿光雷射激发MR，观察并探讨MR吸附的结果，实验结果显示在圆偏振光各方向能量均等的情况之下，不会有扭转角跟倾角产生，且在吸附面上有不均匀的成核现象发生。

A new algorithm of target classification was presented based on the ellipticity angle and the orientation angle.

基于新方法获得的目标最佳极化，提出了一种目标分类算法。

In the third part, the theory of thrust angle and unbalanced forces is studied andapplied to Xiluodu arch dam. some conclusions are obtained :(1) The thrust angle issmaller by elaso-plastic computation than elastic computation. For the non-linearcomputation, the thrust angles at different elevations all increase during overloading,which reveals the internal mechanism of good performance of arch dam in conditionof overloading;(2) The elaso-plastic theory always minimizes the actual unbalancedforces in the sense of a condition number in the norm ofcomplementary energy.

第三部分，通过对溪洛渡拱坝拱端推力角及不平衡力的研究，得出如下结论：(1)非线性计算较弹性计算的推力角大；对于非线性计算而言，拱坝超载过程中各高程段的推力角均有所增加，这反映了拱坝具有较高超载能力的内在机制；(2)在总余能范数的意义上，按弹塑性本构关系确定的不平衡力或加固力是最小的，弹塑性计算确定的加固力和真解相比偏于安全。

If the wrap angle of a bearing pad is 80°, and the wrap angle from entrance edge to pivot is 40°, the geometric parameters of the pad are ,, and .

瓦块包角为80°，入口边到支点的包角为40°，因此瓦块几何参数：，，。

Speckle is also the fundamental uncertainty factor in this kind of sensors. The analytic expression of centroid uncertainty limit is derived from the statistic of laser speckle, and it is shown that the uncertainty limit in RST, and also in anamorphic triangulation, is dependent on the solid angle subtended by entrance pupil as seen from the illuminated laser spot, the triangulation angle, as well as the laser wavelength. The influence of aberration of optical system and surface roughness are also discussed.(4) A method of getting the 3D edge characters based on the integrated vision system is studied.

重点研究了RST中的激光散斑现象，从散斑统计学的角度，首次推导了激光散斑引起的旋转对称三角法位移测量不确定度的极限，结果表明在光学粗糙表面上，该极限由投射激光波长，光学系统入瞳对投射光斑所张的立体角，以及光学系统主光轴与旋转轴的夹角确定；这一结论同样适用于其他变形成像的激光三角法。4基于RST的工作方式，研究了利用集成视觉系统的扫描移动来获得被测物体的低分辨率三维信息的方法。

Calculation of teeth profile of disc cutter for arc-gear;2. The formulas for setting angle and entrance angle of disc cutter s are derived by using the contact condition of space curve.

利用空间曲线相切条件导出了用于计算盘形刀具安装角和切入角的条件；该方法具有以下优点：无需知道工件齿形，可同时获得刀具宽度、半径等参数。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。