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Based on coordinate system on the scalp and CT measurements, curve localization method could localize any point on the scalp with its curve coordinate values, which was used simply and conveniently and didn't need sophisticated equipment.

曲线定位法以头皮分区和CT测量为基础，能以曲线坐标值定位头皮上的任意一点。

Through to the road grade separation circular route mathematical model's research, has based on this compiled the road grade separation circular route coordinate computational procedure; Each kind of curve linear on the one hand pile computation general formula's establishment, is advantageous in the programming solves on the other hand any curve the pile coordinate.

通过对公路立交匝道数学模型的研究，在此基础上编写了公路立交匝道坐标计算程序；各种曲线线形边桩计算通用公式的建立，有利于编程以解决任何曲线边桩坐标。

First, the paper introduces the moving coordinate system based on the curve tangent vector and the curvature component vectors. Next, the total curvature vector is composed and the osculating plane determined in the moving coordinate system. The curve bending is then calculated and the recursion analysis made on the osculating plane.

鉴于空间曲线上曲率采集面的变化，引入了由曲线切向量和曲率分量决定的运动坐标系，接着在运动坐标系中合成曲率矢量，确定密切平面，然后在密切平面中对曲线进行弯曲计算和运动坐标系的变换分析，并对相关公式进行了推导。

It shows that flow field of vertical vortex is not only the function of the radial coordinate but also the function of the axial coordinate.

运用数值模拟具有能模拟各种不同边界条件的优势，还对非对称来流条件下形成的立轴旋涡进行了模拟。

For example, if the screen resolution is 640*480, the right-lower corner of the screen is x==639 and y==479. If you want to convert the screen coordinate to window coordinate, use ScreenToClient function.

例如，如果屏幕分辨率是640*480，屏幕右下角的坐标是 x=639 y=479，如果你想屏幕坐标为窗口坐标，用 ScreenToClient 函数。

Based on the switch process of work piece coordinate system to machine coordinate system, explained the function and principle of aiming at tool operation.

根据工件坐标系向机床坐标系的坐标变换过程，说明对刀操作的作用和原理。

Compression Shapes are compressed using a very efficient delta encoding scheme, often the first coordinate of a line is assumed to be the last coordinate of the previous one.

压缩 形体使用了非常有效的差值编码方法来压缩，经常直线的开始坐标是上一条直线的最终坐标。

Compression Shapes are compressed using a very efficient delta encoding scheme, often thefirst coordinate of a line is assumed to be the last coordinate of the previous one.

压缩 形体使用了非常有效的差值编码方法来压缩，经常直线的开始坐标是上一条直线的最终坐标。

Through analyzing the existent methods for solving the intersection point coordinate of straight line and highway curve ,combined with the general mathematical model for highway curve ,a general solution model for the intersection point coordinate is given.

通过对现有的直线与线路曲线交点坐标解算方法的分析，结合线路曲线的统一数学模型，给出了直线与线路曲线交点坐标的统一解算模型。

In addition we establish a new moving coordinate system in the neighborhood of the wave front and obtain a revised eikonal equation describing the curvature effect of waves in the usual orthogonal coordinate system.

由此我们获得了二维和三维情形下靶型波的具体形式。对三维涡卷波和V-形波，我们也给出了它们的具体形式。在第四章，我们应用摄动方法，较简捷地获得了组织中心沿径向和轴向的运动规律。

Methods: Five patients with parkinsonism or dystonia were assigned to general anesthesia using an modified endotracheal tube.

本实验依照人体实验之相关规定进行，五位患有帕金森氏症或肌张力异常的病人接受神经立体定位手术。

If you can benefit from this book, it is our honour.

如果您能从本书获益，这将是我们的荣幸。