查询词典 circle geometry

Standing in the center of the circle and requesting that the Lord or Lady enter your circle.

站在魔法圆的中心并进行请求神灵或女神进入你的魔法圆。

Now make a smaller circle and put it in the center of the big circle.

接着再画一个稍小点的圆，把它放在大圆的中心，如下图所示

The point in the middle of a circle is called the center of a circle.

把圆中心的一点叫做圆心，圆心一般用字母 O 表示。

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。

Expanding from the center of the circle get a maximum boundary in the limitation of 80㎡get a circle with radius 5m.

从这个圆的中心扩张，在80平米的限制之下得到一个最大化的边界：半径为5米的圆。

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。

So, the changing rule of the centre of a circle in benchmark section is where R2 is uniform transform matrix of the centre of a circle in middle part of robot's benchmark section; dp is unit journey.

So，一个圈子的中心的改变的规则在基准的section是 where R2是一致的变换a的中心的矩阵在robot's基准部分的中间部分的circle； dp是单位 journey。

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。

Shanghai Xingbake adopted a circle with white characters on a green background as its logo, but replaced the Starbuck's mermaid in the centre of the circle with a picture of a coffee cup.

上海星巴克用绿色背景和白色带汉字圆圈作为其标志，但是用一个咖啡杯替代了圆圈中部的星巴克美人鱼图像。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。