她将看到和观察者A一样数量的尺子。所以同样的，将可以做出这样的结论：圆周和半径的比率将和欧几里德几何不一致。
She would see the same number of rulers involved as did observer a, and so would likewise conclude that the ratio of circumference to radius did not conform with Euclidean geometry.
本文获得了一类关于度量加单形的体积和外接超球半径的几何不等式，作为其应用，给出了一些重要的推论。
Some geometric inequalities on metric addition simplex which volume and radius of circumscribed sphere are obtained. As its application, some important corollaries are given.
在对深沟球轴承几何参数及接触应力分析的基础上，给出了沟曲率半径系数的控制方程，并对轻、中、重系列轴承的外圈沟曲率半径系数的选取进行了探讨。
Based on the analysis of geometry parameters and contact stresses of the deep groove ball bearings, the control equation of groove curvature radius has been drawn out.
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