两相邻射野以互相垂直的角度入射,SSD均为100,射野边长均为20cm,在深度5cm处边缘相接,若得到比较均匀的剂量分布,则两野在皮肤表面的间距为() ["6mm","10mm","5mm","8mm","5.5mm"]
“益火之源,以消阴翳”的治法适用于()证,《内经》称之为()
两相邻射野从一侧入射,SSD均为100,相邻射野边长分别为24cm和26cm,在深度2.4cm处边缘相接,若得到比较均匀的剂量分布,则两野在皮肤表面的间距为() ["5mm","10mm","6mm","3.3mm","5.5mm"]
阴阳偏盛的治疗原则是()或()
对偏体一侧的病变,可以使用两射野结合楔形板来形成较均匀的剂量分布,若两野交角为90°,则楔形板大概楔形角为() ["10°","20°","30°","45°","60°"]
阴阳偏衰的治疗原则是()或()