查询词典 vector addition

To the characteristics that plural operate, can draw a vector diagram, make use of severals of the vector diagram relation to help the analysis and simplifications calculation, thus extended to solve the way of thinking and the method of problem.

但根据复数运算的特点，可画出向量图，利用向量图的几何关系来帮助分析和简化计算，从而扩大了求解问题的思路和方法。

By using this method, the boundary value problem of vector wave equation can be transformed Into two independent boundary value problems of scalar wave equations and other two additional vector differentia! operations.

用这种方法可以很方便地求解所有现在用并矢格林函数的本征展开法所能求得的各种并矢格林函数。

The method of vector mechanics is mainly to analyze of the forced state of a mechanical system,to work out the vector equation, and then find the solution.

矢量力学方法主要是对力学体系进行受力分析，列出矢量式计算求解。

Based on the discussion,a simple and clearly defined vector equation of kinematic error for robots,has been derived for practical use by means of space vector,characteristicsof space vecto...

据此，利用D-H 坐标变换与空间矢量的关系，以及空间矢量导数性质，推导了简洁实用、意义明确的机器人运动误差矢量方程，并就该方程在一般空间机构运动精度研究时的应用实例作了说明。

According to the principle of vector control used in an asynchronous motor, a simulation model of the asynchronous motor in electric vehicle and vector control system in rotor flux orientation was established with the help of Matlab/Simulink software.

根据异步电机矢量控制原理，建立了电动汽车用异步电机的仿真模型和转子磁场定向下的矢量控制系统模型，并在Matlab/Simulink软件环境下对其进行建模。

The simulation of the vector control system for rotor flux orientation is studied in this paper. The modeling and simulation of the vector control system of speed and flux closed-loop with the torque inside loop are completed by applying electrical principles and the toolbox of Simulink and Power System in the Matlab software. The paper mainly introduces the modeling of the speed adjustment system and the setting of parameters of the controller. The obtained results of the simulation are close to actual situation, which proves the correctness of the modeling.

文章对按转子磁链定向的矢量调速系统进行了计算机仿真研究，运用Matlab的Simulink和Power System工具箱及面向系统电气原理结构图的仿真方法，实现了带转矩内环的转速、磁链闭环矢量控制系统的建模与仿真；重点介绍了调速系统的建模和调节器参数的设置，给出了矢量交流调速系统的仿真模型和仿真结果，仿真结果非常接近实际情况，说明了仿真模型的正确性。

It was decided to replace an imprinting technology described in [1-5] with cross-magnetic inserts having a flux vector directed at 90 degrees to the primary magnetization vector of the stator and rollers.

这是决定取代印迹技术介绍[ 1-5 ]跨磁插入了磁通矢量针对90度的主要载体的磁化定子和压路机。

Vector font: professionally optimized vector fonts, more beautiful subtitles, greatly fix the problem of subtitle missing.

矢量字体：专业优化过的矢量字体，字幕显示更美观，大大减少外挂字幕漏字问题。

Chinese characters vector font of Auto CAD on the denizens lines ship drawing sheet is popular, but it can not match the Western words vector font , so the beauty of the drawing sheet is influenced.

Auto CAD的汉字矢量字体在线条密集的船舶图纸上还是挺受欢迎的，可惜与西文的矢量字体不够匹配，影响图纸美观。

Just in order to solve thisproblem, this subject further researches the new display solving scheme --WindML based onVxWorks system, demonstrates the enormous advantages of the new scheme in technology,proceeds with the architecture of WindML, based on WindML basic 2D display scheme,throughthe research and study of the systematic principle of WindML system and different service andmanagement,I have put forward the Chinese solving scheme based on VxWorks system, andthrough the study and research of FreeType 2 font engine and vector font, utilized WindMLsystematic mechanism , have finished the implementation of bitmap and vector Chinesecharacter in VxWorks system, and on the basis of which, have designed and optimized theinquiry algorithm of the Chinese input method editor, developed the Chinese input method editorbased on VxWorks system.

本课题正是为了解决这一问题，深入研究了基于VxWorks 系统新的显示解决方案——WindML，论证了新方案在技术上的重大优势，从WindML 的体系结构入手，以WindML 基本2D 显示方案为基础，通过对WindML 系统的系统原理，各种服务和管理的研究和学习，提出了基于VxWorks 系统的汉字解决方案，并通过对FreeType 2 字体引擎、矢量字体的研究，利用WindML 系统机制，完成了位图及矢量汉字在VxWorks 系统中的实现，在此基础上设计并优化了汉字输入法的查询算法，开发出了基于VxWorks 系统的汉字输入法。

So it was last week in Selma , alabama.

上星期在亚拉巴马州塞尔马市发生的事件也是这样一个转折点。

The group also spearheads various social programs in China.

该组织还带头参与中国的各种社会活动。