20.楔形濾器(wedge)的角度是指: (A)能衰減該角度大小的射線強度之濾..-阿摩線上測驗
1F Steven Huang已 大四上 (2018/05/07)
The term wedge isodose angle (or simply wedge angle) refers to “the angle through which an isodose curve is titled at the central ray of a beam at a specified depth” 出處:khan's 5/e p.177 |