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This thesis has established the mathematical model of n-phase PMSM after thorough analysis of PMSM structure and running mode, and then put forward the vector transform method, which is as the base of vector control.

建立完善的多相化永磁同步电动机及控制系统的数学模型和分析方法是系统研究和实现的重要技术保证。

In accordance with established practice, a club with high-rise buildings and apartments are often arranged in a second floor or basement; while the lower complex in many of the numerous district, the club is generally a separate building to sit is outside the home buyers to the latest addition to family another space.

按照惯例，与高楼大厦，公寓俱乐部按照通常排列在二楼或地下室，而在众多地区的许多低复杂，俱乐部通常是一个单独的建设，坐在外面的置业者最新除了家庭"另一个空间。"

In order to understand the seismic performance of the large complex structure with basement, the structure-pile-soil finite element model of two typical cross sections of the Tianjin Transportation Junction were established by using the ANSYS software. The elasto-plastic time history analysis was made, and the seismic responses of the whole system under the horizontal seismic load were got. Comparing the results of the seismic response with the rigid foundation model, some reasonable conclusions are drawn.

为弄清楚带有地下室大型复杂结构的抗震性能，本文针对天津站交通枢纽工程，分别取结构典型的横向及纵向剖面，应用大型通用有限元分析软件ANSYS，建立了结构－桩－土体系相互作用的有限元模型，采用动力时程分析方法，研究体系在水平地震作用下的弹塑性动力反应规律，分析结构在地震动作用下的位移和内力的分布；并与假定刚性基础周边土简化为弹簧的结构模型的计算结果进行比较，通过两种模型的地震反应的对比分析，得到了一些有益的结论。

Variable structure element design method was established, and basic structure element and variable structure element were defined.

本文以液压支架设计为背景，采用结构设计原型和基于原型的设计方法解决瓶颈问题，对结构设计、基于原型的设计方法和实现工具进行了深入的研究，主要工作如下： 1。

The model for solving basic variable by optimization is set up, and relatively one and two order optimal transmitting boundary is established. xcxc

建立了对物理视波速进行优化求解的数学模型，以及相应的1阶和2阶优化透射边界。xcxc

This paper established the model of basin evolution and analyzed the whole process of the evolution.

本文建立了该盆地的演化模式并分析了其完整的演化过程。

At Zürich, Basle, and Berne the same laws were established.

在苏黎世，巴塞尔，伯尔尼和同样的法律已经确定。

Established in 1990, after developing for many years, we can produce various parts of saxophone, trumpet, trombone, horn, flute, clarinet, bassoon, and knight's drum, etc.

始建于1990年，经过多年的发展，主要生产萨克斯、小号、长号、圆号、长笛、单簧管、低音号，爵士鼓等零件。

Throwing the baby out with the bathwater, so to speak, risks losing a lot of established design work.

把孩子和洗澡水一起破掉，或者说，丢掉已经建立的一些工作的危险。

Through analyses the vulnerability of the battleplane target, developing the target damage model, takes the damage probability of one missile as index, the evaluation model of the damage effect for focuses fragment against battleplane target warhead is established by Monte Carlo method.

通过对飞机目标进行易损性分析，建立目标毁伤模型，以战斗部单发命中毁伤概率为评估指标，采用蒙特卡洛法对聚焦战斗部的终点效应进行了评估。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。