And then refined analysis in the local observed scope, where the shear band occurred, was conducted by specifying pairs of alinement points on image with one pixel interval covering the shear band.

• 然后，布置跨越剪切区域的多对测点线，进行局部范围精密搜索，识别出剪切带的准确位置与形状，并确定剪切带的边界点。