坐标系统

In fact the advantage of our coordinates transformation method is that the effective potential is more convenient to deal with than complex boundary conditions in numerical calculations.

实际上我们采用的坐标变换方法的优点就在于把非平面界面上的边界条件转化为了更利于用数值计算方法处理的平面界面系统中的有效势场。

To set the scale factor and unit of measure is sufficient to change the coordinate system of the Graphics object passed to the handler of the PrintPage event of the PrintDocument object.

要设置比例因子和计算单位，是不足以改变的坐标图形系统对象传递给该PrintDocument的对象PrintPage事件处理程序。

The new screen coordinates are relative to the upper-left corner of the system display.

新的屏幕坐标是相对于系统显示器的左上角的。

The origin of the coordinate system for all views is in the upper-left corner.

所有视图的坐标原点在系统的左上角。

This paper analyses the mathematical model for BDFM (brushless doubly-fed machine) based on synchronous coordinates in the point of rotor speed d-q model. A new type of power control system is designed by using flux linkage oriented vector transformation control technology.

从转子参考轴d-q模型出发，研究同步坐标下的无刷双馈电机的数学模型，根据BDFM的特性，采用磁链定向的矢量变换控制技术，设计了一种新型的功率控制系统。

The space vector representation is used for the variables of the machine and converted into a common coordiante system.

系统模型变量用空间矢量表示而且转换到共同坐标上。

Due to the moving base existence of the minehunting and the frame structure characteristic of the sonar array, a new modeling thought in which the boat body coordinates is regarded as moving coordinates and the whirligig equation of sonar array compared with the self coordinates is founded on the basis of the Euler's theorem and the coordinate transform is introduced.

由于猎雷艇作为动基座的存在和声纳基阵的框架结构特点，提出了以艇体坐标系为运动坐标系，运用变形的欧拉定理和坐标变换建立声纳基阵相对自身坐标系的旋转运动方程的建模思想；将所建立的矢量形式的动力学模型展开整理，获得了状态矩阵形式的猎雷声纳基阵动力学方程，为系统动力学模型的实用化奠定了基础。

Due to the moving base existence of the minehunting and the frame structure characteristic of the sonar array,a new modeling thought in which the boat body coordinates is regarded as moving coordinates and the whirligig equation of sonar array compared with the self coordinates is founded on the basis of the Eulers theorem and the coordinate transform is introduced. The dynamic equations of minehunting sonar array with the state matrix form are founded by settling the dynamic models with the vector form. So it offers theory foundation for analyzing the dynamic characteristic and designing robust control.

由于猎雷艇作为动基座的存在和声纳基阵的框架结构特点，提出了以艇体坐标系为运动坐标系，运用变形的欧拉定理和坐标变换建立声纳基阵相对自身坐标系的旋转运动方程的建模思想；将所建立的矢量形式的动力学模型展开整理，获得了状态矩阵形式的猎雷声纳基阵动力学方程，为系统动力学模型的实用化奠定了基础。

Good results have been produced by the computer"s simulation, which shows the system can provide a choosable new model and algorithm for the research of the level of enterprise"s productive forces.

计算机进行的模拟得到了较好的结果，这表明，基于属性坐标学习与分析法的企业生产力指标系统，能为企业生产力水平的研究，提供一个可供选择的新模型和新算法。

The result indicates that the accuracy of automatically determining orbits is better than that from GPS broadcasting ephemerides.

模拟结果表明，在空间测距精度一定的情况下，自主定轨精度能高于GPS广播星历，因而能较精确地维持卫星系统的坐标框架。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。