Mean Thickness of Biological Tissue (Ti) in the Examination, Thickness of Simulator Material (TS), Coefficient of Variation, and Mean Dorsoventral Phantom Dimensions (length x width).

Mean Thickness of Biological Tissue (Ti) in the Examination, Thickness of Simulator Material (TS), Coefficient of Variation, and Mean Dorsoventral Phantom Dimensions (length x width).检测中生物组织平均厚度（Ti）、模拟材料厚度（TS）、变异系数，以及体模背腹向平均尺寸（长×宽）。