r ratio meaning in English

比例，比率

The effects of r / h ratio , l / r ratio and cone angle on the dynamic response of the conical shells are discussed in this section
分析了圆锥壳结构的径厚比、长径比及锥角变化对结构应力响应的影响。
The characteristics of dynamic response of points along generating line and circumferential line of the cylindrical shells are analyzed , and the effects of l / r ratio on the dynamic response of the cylindrical shells under line - loading are considered as well
分析了沿母线方向和环向各点应力响应的特点以及结构长径比对应力响应的影响，在此基础上比较了沿环向呈单余弦分布和双正弦分布载荷的应力响应。