圆心

People and things, static or dynamic, in effect, have long been brought into the center of a circle, and everybody or everything can only make a curvy movement along a seemingly direct line.

无论是静态或动态式的人或物，其实早已被某圆心所规划，最后只能在看似一条直线的路上在做一个曲线运动。

Curve C at the spot P(x0, y0) curvature is the maximal circle of the curve C tangency at the spot P(x0, y0). Contrail curve G of the center D of curvature circle entitles evolute of curve C.

曲线C在点Px0，y0）曲率圆是与该曲线C相切于点P(x0，y0的最大圆，曲率圆的圆心D的轨迹曲线G称为曲线C的渐屈线。

A new algorithm for obtaining the centre of ellipse is brought forward.

提出了一种椭圆圆心定位算法。

Is the centre of a circle of radius 1 and X, Y are points on the circumference.

是某个半径为1 的圆形的圆心，X、Y 为圆周上的两点。

Firstly , the following proofs are made by means of homothet-ic transformation : 1 the centre of a nine-point circle is at the midpoint of ligature of its curcumcentre andorthocentre; 2 the radius of nine-point circle is equal to half of the radius of its curcumcircle.

本文给出一个简单的证法，先用位似变换的方法证明九点圆的圆心在外心和垂心连线段的中点，九点圆的半径等于外接圆半径的一半。

On the base that searchs country firm, both all begin to be the centre of a circle to surround dilate outwards with this, if attentive observation, we will discover both did not distinguish besides search engine quality outside, the includes key of value core, outspread side to wait to having essence distinction of other.

在稳固搜索江山的基础上，两者均开始以此为圆心向外围扩张，如果细心观察，我们将发现两者除了搜索引擎性质没有区别外，其它的包括价值核心、扩张侧重点等都有着本质的区别。

He is in royal 4 years, never had taken the office of subordinate almost, never date under the counter with Chen Tianqiao almost get along, the centre of a circle is his circle theory, academic all the time confirm is worn feeling of this kind of distance.

他在盛大4年，几乎从未进过下属的办公室，几乎从未和陈天桥私下约会相处，他的圈子理论、圆心理论一直印证着这种距离感。

In the new algorithm,the circle detection problem is decomposed into two stages consisting of a 2D Hough transform to find circle centre and a 1D Hough transform to determine the radius.

利用局部梯度信息将检测圆所需的3D Hough变换转化为一个2D Hough变换检测圆心位置和一个1D Hough变换检测圆的半径。

The motors and drive units on these two types of polisher's oscillate in an eccentric circular motion .

发动机和转速单位在这两种抛光机上的振蒎是一个偏圆心的运动。

In this thesis, a novel method is proposed to raise the quality of triangular mesh generation. Whereas previous refinement methods mainly focus on inserting a new vertex into the circumcenter of a skinny triangle or tetrahedron, the proposed method is striving to insert a vertex near the geometric center of an effective region.

鉴於前人提出之refinement方法，主要乃以插入形状低劣之三角形外接圆之圆心，以提高网格品质；本文提出一新的思考观点，乃试图插点於其影响区域之中心，以提高其品质。

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。