查询词典 point of transition

Planar point set the minimum inclusive circle, that circle with a minimum point of the plane are all incorporated.

详细说明：平面点集的最小包容圆，即用一个最小的圆把平面内所有的点都包容在内。

The inspection accuracy and inspection speed of the proposed planar contour dominant point detection method are compared and analyzed by contrast experiments between the proposed method and some classical dominant point detection methods according to the edge information of image.

对本文提出的平面轮廓特征点检测方法与几种经典的基于图像边缘信息的特征点检测方法的检测精度与检测速度进行了对比实验与分析。

The dominant point detection ability of the proposed planar contour dominant point detection method is tested by an emulational planar contour which includes all kinds of dominant points.

采用包含各种类型特征点的仿真平面轮廓，对本文提出的平面轮廓特征点检测方法的特征点检测能力进行了测试。

To compute the convex hull of a planar point set, first to find the extreme points of the planar point set and get the sub collections of points candidate for vertices of the convex hull between them.

新算法达到目前平面点集凸包问题的渐进最好算法的时间复杂度O，其中，n为平面点集的点数，h为平面点集凸包的顶点数。

In addition, the software about optical image system and some functional enhancement have been briefly introduced. The changes of the planar and spatial practical image point and ideal image point have been discussed when the vision field angle, object distance and range of refractive index have changed. Some summarizations have been put forward. Some results have been deduced and given qualitative explain.

并简单的介绍了由光学成像算法实现的软件以及对该算法的一些功能的增强从视场角、物距和折射率变化幅度三个方面讨论其分别发生变化时在平面上和空间中实际像点与理想像点的偏差的变化情况，并总结其变化规律，对其中的部分规律进行了简单的推倒和定性的说明。

Firstly basic interpolations are obtained from planar circle interpolation by the point by point comparison.

首先使用逐点比较法作平面圆弧插补获得基本插补量，然后以三维坐标变换将基本插补量变换成为空间椭圆的插补量。

Comparison of much experiment data shows that the algorithm is very efficient for calculating convex hull of planar massive scattered point set, and for the point set of 107 level, its execution time on a 2.00 GHz personal computer is only three to four seconds.

通过大量实验数据对比说明，算法对求平面海量散乱点集的凸壳非常有效，点集为107数量级的执行时间在主频为2.00 GHz计算机上仅为

One strategy of approximating fitness value is presented, which is to substitute the mean center with the Weber center, and so the fitness value is to minimize the sum of distances between all clients and their corresponding mean centers, and also author makes an experiment to verify the hypothesis that the Weber point is very near to the mean point in planar space.

分别采用了遗传算法和模拟退火算法进行两个多韦伯问题的实例研究。

A new algorithm of computing convex hulls of plane point sets is presented,based on the research on a large amount of algorithms of computing the convex hulls of plane point sets.

在研究了大量的求平面点集凸包的算法基础上，提出了一种新的构造平面点集的凸壳算法。

In the measurement of work, the first test with control meaning the area to choose some point to form a certain geometrical form the skeleton of the surveyed area, with a relatively accurate means of measurement and calculation methods, in a unified coordinate system to determine these points plane coordinates and elevation, and then based on it to determine the point and other ground points, or construction setting, or other measurements.

在测量工作中，首先在测区内选择一些具有控制意义的点，组成一定的几何图形形成测区的骨架，用相对精确的测量手段和计算方法，在统一的坐标系中，确定这些点的平面坐标和高程，然后以它为基础来测定其他地面点的点位或进行施工放样，或进行其他测量工作。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。