边长比 meaning in English

side ratio

The paper analyzes and discusses the law that the result precision of thermal stress is affected by the proportionments of element border length , border condition , form function and so on , and compares the method with displacement finite element method being used
分析、讨论单元边长比、边界条件以及插值函数形式等对热应力结果精度的影响规律，并与现有的位移有限元方法进行比较、分析、评述。