The quality of this transition is best visualized by a straight line drawn between two circles: the line's only point of contact with each circle is tangential.
用最明显的图形来描述这个过渡的特性就是：当在两个圆之间绘制一条直线，直线与每个圆只有一个交点时，那么这条线就是两个圆的切线。
This contact would give the girl a vision of her future self. It would, Coyle emphasizes, give her a glimpse of an enchanted circle she might someday join.
这种接触会带给这个女孩对她未来自己的幻象，Coyle强调说，这会给她对某一天她也许会加入的一个充满魅力的社交圈的一个印象。
The reporter contacted Shenzhen more than sellers, most of which the seller has left contact address in Huaqiang North commercial circle.
记者联系了多名深圳卖家，其中大部分卖家所留的联系地址都在华强北商业圈。
Using circle vector function and medium rack as tools, the equation of contact trace is deduced, and its characteristic is discussed.
以圆矢量函数和媒介齿条为工具，推导了接触迹方程，讨论了接触迹的特性。
For fuller information on the special requirements of bearing running clearance, inscribed circle and accuracy grade, please contact this company.
对于轴承游隙、内切圆、精度等级特殊要求的详细情况应与本公司联系。
To analyze and display the contact of skew bevel involute gears, a mathematic model was established by vector gyration and coordinate transform of circle vector functions and sphere vector functions.
为进行斜齿锥齿轮副的齿面接触分析，并直观显示齿面接触区，利用圆向量函数和球向量函数的矢量回转和坐标变换方法，建立了斜齿锥齿轮齿面接触分析的数学模型；
But the following players generally avoid contact whenever possible and try to run circle-routes around the most notorious of the league's tough guys.
但接下来的球员一般尽可能避免接触并试图尽可能运行圆路线在最臭名昭著的联盟硬汉周围。
The teachers keep an intimate contact with international research institutes, academic organizations of service enterprises, and the industrial circle.
注重与国际上的服务企业研究机构、学术团体和实业界保持着密切联系。
The teachers keep an intimate contact with international research institutes, academic organizations of service enterprises, and the industrial circle.
注重与国际上的服务企业研究机构、学术团体和实业界保持着密切联系。
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