圆心

Input (0,0) to determine the center of a circle position, and then enter a radius value "8", draw a circle

2输入（0，0）以确定圆心位置，再输入半径值"8"，画出一个圆

Our next goal is Shanghai two hours -- with Shanghai as the economic circle center of a circle, the radius of the region for two hours.

我们下一步的目标就是上海2小时经济圈――以上海为圆心，2小时车程为半径的区域。

Any line drawn through the center of a circle is noraml to the circumference.

通过圆心画的任何直线均垂直于圆周线。

The line segment connecting the center and any point of a circle is called the radius.

连接圆心和圆上任意一点的线段叫做半径，半径一般用字母 r 表示。

When you stare at the center of a circle, it seems that there is something flowing in the painting.

法国艺术家以赛亚-勒维安特的画作《谜》常会让人产生一种错觉：盯着图片中的圆心时，仿佛画中的同心圆环中有物质在流动。

A line segment that joins the center of a circle with any point on its circumference.

圆半径：将圆心与圆周上任一连接起来的线段

Continue to use the above command to make a round, enter the center of a circle points (-40,-30), respectively, enter the radius value of 8 and 16, draw another set of concentric circles.

4继续用如上的命令作圆，输入圆心点（－40，－30），分别输入半径值8和16，画出另一组同心圆。

What this text to study is according to an detection by the transformation of HOUGH, some round characteristics value will bi found, like the round radius and the center of a circle.

本文所要研究的是基于HOUGH变换的圆检测，即通过HOUGH变换提取出被检测圆的一些特征值，如圆的半径及圆心所在的坐标。

A diameter passes through the center of a circle.

直径从圆心穿过。

The center of a circle 圆心 Although London is Britain's capital, it is not at the center of the country.

伦敦虽然是英国首都，却并非位居全国之正中央。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。