This is the mechanical basis of the photoelastic method . 这是光弹性方法的力学基础。
2.
Linking photoelasticity and computer technique and realizing the image automatic reduction is one of major directions to develop experimental mechanics 将光弹性方法和计算机相结合，实现光弹性图像的自动识别功能是近年来实验力学发展的主要方向之一。
