circumferential line meaning in English

胎面中心线

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。
Following , using the experimental methods , the dynamic response of the stiffened conical shells under cosinoidal impulsive loading is studied . the changes of dynamic response of points along circumferential line of the conical shells are analyzed , and the characteristics of dynamic response of points are studied by both the time - domain analytic method and the frequency - domain analytic method
采用实验方法研究了加筋圆锥壳在侧向余弦载荷作用下的动力响应，分析了沿环向各点的响应变化，并从时域和频域分析了它们各点的响应特性。