A great quantity of any angle strain rosette readings was gathered in structural test, the principal strain and the principal direction were calculated by computer program written in this paper.

• 在结构试验中采集得到的成百上千个任意角度应变花的读数,可用本文编写的计算机程序确定其主应变及主方向,从而替代了科研人员大量的手工计算。