to·mog·ra·phy
noun/təˈmɒɡrəfi/
/təˈmɑːɡrəfi/
[uncountable]- a way of producing an image of the inside of the human body or a solid object using X-rays or ultrasound
层析成像，层析术（利用 X 射线或超声波清楚显示体内结构） Word Origin1930s: from Greek tomos ‘slice, section’ + -graphy.