查询词典 rectangular cartesian coordinate system

The paper has first analyzed the heterogeneity asynchronous machine mathematical model harmonious wave analysis, and has carried on the analysis to the heterogeneity asynchronous machine invertor power supply situation's space and time overtone, has established under six asynchronous machine static coordinate system's simulation model and has given the concrete step which Matlab/Simulink realizes, has conducted the analytical study to six asynchronous machine's characteristic.

论文首先分析了多相感应电机数学模型和谐波分析，并对多相感应电机逆变器供电情况下的时空谐波进行了分析，建立了六相感应电机静止坐标系下的仿真模型并给出了Matlab/Simulink实现的具体步骤，对六相感应电机的特性进行了分析研究。

To this, nevison expresses, working group of AFDEC association RoHS the job recently basically is active itinerate seminar is held in the country such as England, Australia, extensive collect comes from chip to make on and the proposal of its system manufacturer, will coordinate attestation means and article.

对此，Nevison暗示，AFDEC协会RoHS工作组近日的工作主如果积极的在英国、澳大利亚等国家召开巡回钻研会，宽泛汇集来自芯片制造上以及其系统制造商的提议，来协调认证体例及条则。

Building a joint coordinate system is very important in the kinematic and dynamic analysis of human movement. At present, most of the methods on definiting human JCS are for the clinical application, so they require professional anatomical knowledge and have poor operability.

在对人体运动进行运动学或者动力学分析的时候，通常需要对各关节建立局部坐标系，而目前大部分人体关节坐标系定义方法都主要针对临床应用，需要具备专业的解剖学知识且可操作性差。

Multiple reference coordinate system method was adopted to calculate the T-tube joint fluid-solid coupling and stress distribution.

采用多重参考坐标系法计算了T型管接头的流固耦合及应力分布。

It is inefficiency and in coordinate to make corporation data into journalize and input in the system of computerized accounting according to the traditional data processing method in computerized accounting.

信息技术的发展一方面为企业财务管理工作提出了新的挑战，另一方面也同时提供了解决挑战的方案。

Further more,the practicability of this method is proved by computing relativistic klystron amplifier in 2D cylindrical coordinate system as an example.

在对许多实际器件(如各类微波管振荡器和放大器)的模拟中，激励源的适当引入是至关重要的，因为源所激励起的电磁场是否符合实际情况直接

In this paper, the analytical formulations for every reflection point's Z coordinate are deduced by using Fermat's principle and law of reflection in the system of cylinder and cone.

以圆柱和圆锥二阶系统的反射寻迹为例，结合费马原理和反射定律，推导出各反射点Z坐标的解析表达式，从而减少了寻迹方程中未知数个数，使计算时间显著缩短，也提高了结果精度，文中给出了应用实例。

In the earlier stage, the host city should accomplish such tasks as traffic demand analysis, the laying-out and designing of traffic facilities, and transportation organization management for the Olympics. During the Games, the special demands of the Olympics have to be considered, and the assembling and evacuating of each client group should be well organized .Moreover, related departments should make great efforts to coordinate the Olympics' transport system and other transport systems.

前期需要做好奥运会交通需求分析、交通设施、交通组织管理的规划和设计工作，赛时需要考虑奥运会运行的特殊要求，组织安排好各客户群体的集散运输服务，同时协调好赛事交通和社会交通。

Considering the vehicular SG cruise integrating model under braking condition influenced by some factors of nonlinearity, time-delay and the disturbance, a new nonlinear SMITH predictor is designed to compensate the time delays of control variable in advance. Furthermore, with the resort of pure delay operator, extension of the Lie derivative and the Lie bracket, some issues of SISO nonlinear system with time delays in state variable are resolved, which cover the input-output linearization, invertability of coordinate transformation and the disturbance decoupling problem.the staged transformation and design technique, the vehicle deceleration tracking control and the SG cruise disturbance decoupling control under braking condition are carried out effectively using proposed control method.

在建立制动工况下车辆走-停巡航系统集成模型基础上，针对其非线性、时滞特性以及目标车减速度干扰的影响，提出一种改进的非线性SMITH预估补偿方法，以消除控制变量时滞，并结合时滞算子、扩展李导数和扩展李括号方法，研究并解决了SISO状态变量时滞非线性系统的输入输出线性化、坐标变换的可逆性以及输出干扰解耦问题，实现了SISO时滞非线性系统的综合控制。

It is key to select the suitable coordinate system, the integral order and the limits of integration determination.

三重积分计算的基本思想是化三重积分为三次积分，其关键是选择适当的坐标系、积分次序和积分限的确定。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。