在FEM中引入几何损伤，计算特定特征裂隙下的固体变形和内力-Introduced in the FEM geometry injury, calculated under the specific features of fracture of solid deformation and internal force of

Hand geometry recognition technology is in broad use for access control as well as time and attendance applications. An individual places their hand on a reader, and their identity is verified based upon the location of a number of key points on thei